ID: 135951

ethan(2H)ol			$$$$ Data
M. F.	C2H6O	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 452556 151904 615129 Database Data ID PubChem 123093
M. W.	46.06844
CAS	925-93-9
Similarity	N/A

ID: 135952

(1-13C)ethan-1-ol			$$$$ Data
M. F.	C2H6O	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 603481 324523 735469 Database Data ID PubChem 12201684
M. W.	47.06109484
CAS	14742-23-5
Similarity	N/A

ID: 135953

4-bromo(1,2,3,4-13C4)but-1-ene			$$$$ Data
M. F.	C4H7Br	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 604526 Database Data ID PubChem 71309508
M. W.	138.97299935
CAS
Similarity	N/A

ID: 135954

4-bromo(2,3,5,6-2H4)benzaldehyde			$$$$ Data
M. F.	C7H5BrO	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 614718 Database Data ID PubChem 71309509
M. W.	185.018
CAS
Similarity	N/A

ID: 135955

4-methoxy(2-2H)benzaldehyde			$$$$ Data
M. F.	C8H8O2	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 616605 Database Data ID PubChem 71309510
M. W.	136.14792
CAS
Similarity	N/A

ID: 135956

4-methoxy(3-2H)benzaldehyde			$$$$ Data
M. F.	C8H8O2	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 616591 Database Data ID PubChem 71309511
M. W.	136.14792
CAS
Similarity	N/A

ID: 135957

(2S)-2-amino-4-[(13C)methylsulfanyl]butanoic acid			$$$$ Data
M. F.	C5H11NO2S	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 651400 299154 721271 (more...) Database Data ID PubChem 15556502
M. W.	150.20399484
CAS	49705-26-2
Similarity	N/A

ID: 135958

(20,20,20-2H3)icosanoic acid			$$$$ Data
M. F.	C20H40O2	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 708062 Database Data ID PubChem 44256492
M. W.	312.5304
CAS
Similarity	N/A

ID: 135959

2-phenyl(1-13C)acetyl chloride			$$$$ Data
M. F.	C8H7ClO	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 700495 Database Data ID PubChem 12214080
M. W.	155.58623484
CAS	63583-47-1
Similarity	N/A

ID: 135960

(2R)-2-amino-3-sulfanyl(2H3)propanoic acid			$$$$ Data
M. F.	C3H7NO2S	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 701424 Database Data ID PubChem 54488946
M. W.	121.15818
CAS
Similarity	N/A

ID: 135961

tert-butyl(2-methyl-1-phenylpropyl)(1-phenylethoxy)amine			$$$$ Data
M. F.	C22H31NO	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 700703 Database Data ID PubChem 6712809
M. W.	325.48764
CAS	227000-59-1
Similarity	N/A

ID: 135962

(2R)-2-amino(3,3,3-2H3)propanoic acid			$$$$ Data
M. F.	C3H7NO2	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 642975 Database Data ID PubChem 71309512
M. W.	89.09318
CAS
Similarity	N/A

ID: 135963

(3R,4S,5S,6R)-6-(hydroxymethyl)(3,6-13C2)oxane-...			$$$$ Data
M. F.	C6H12O6	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 605506 Database Data ID PubChem 71309513
M. W.	182.14118968
CAS
Similarity	N/A

ID: 135964

(3R,4R,5S,6R)-6-(hydroxymethyl)(5,6-13C2)oxane-...			$$$$ Data
M. F.	C6H12O6	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 605468 Database Data ID PubChem 71309514
M. W.	182.14118968
CAS
Similarity	N/A

ID: 135965

(124Xe)xenon			$$$$ Data
M. F.	Xe	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 602086 602051 602078 (more...) Database Data ID PubChem 10176138
M. W.	123.905893
CAS
Similarity	N/A

ID: 135966

bis(1,2-13C2)ethyl (13C)c...			$$$$ Data
M. F.	C5H10O3	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 652539 Database Data ID PubChem 71309515
M. W.	123.09437419
CAS	1078126-79-0
Similarity	N/A

ID: 135967

dichloro(12C)methane			$$$$ Data
M. F.	CH2Cl2	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 607010 Database Data ID PubChem 71309516
M. W.	84.92188
CAS
Similarity	N/A

ID: 135968

2-chloro-N-(1-methoxypropan-2-yl)-N-[4-(2H3)methyl-2-methy...			$$$$ Data
M. F.	C12H18ClNO2S	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 614092 Database Data ID PubChem 71309517
M. W.	275.79482
CAS
Similarity	N/A

ID: 135969

barium(2+) ion (13C)carbonate			$$$$ Data
M. F.	CBaO3	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 277193 600202 TRC B118672 Database Data ID PubChem 12598096
M. W.	198.32855484
CAS	51956-33-3
Similarity	N/A

ID: 135970

(2S,5R,6R)-6-[(2R)-2-amino-2-phenylacetamido]-3,3-dimethyl-7-oxo-4-thia-1-azabic...			$$$$ Data
M. F.	C16H19N3O4S	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 609315 Database Data ID PubChem 71309518
M. W.	350.3981689
CAS	1217467-27-0
Similarity	N/A

ID: 135971

(36Ar)argon			$$$$ Data
M. F.	Ar	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 601772 601764 Database Data ID PubChem 71309519
M. W.	35.96754511
CAS	13965-95-2
Similarity	N/A

ID: 135972

(38Ar)argon			$$$$ Data
M. F.	Ar	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 601780 Database Data ID PubChem 71309520
M. W.	37.9627324
CAS
Similarity	N/A

ID: 135973

(40Ar)argon			$$$$ Data
M. F.	Ar	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 601799 Database Data ID PubChem 10129880
M. W.	39.96238312
CAS	1290046-39-7
Similarity	N/A

ID: 135974

(20Ne)neon			$$$$ Data
M. F.	Ne	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 601683 601667 601675 (more...) Database Data ID PubChem 10197602
M. W.	19.99244018
CAS
Similarity	N/A

ID: 135975

(21Ne)neon			$$$$ Data
M. F.	Ne	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 601705 601713 Database Data ID PubChem 71309521
M. W.	20.99384668
CAS	13981-35-6
Similarity	N/A

ID: 135976

(22Ne)neon			$$$$ Data
M. F.	Ne	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 601756 601721 601748 Database Data ID PubChem 53393498
M. W.	21.99138511
CAS	13886-72-1
Similarity	N/A

ID: 135977

naphthalene-2,3-di(15N)amine			$$$$ Data
M. F.	C10H10N2	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 658189 Database Data ID PubChem 71309522
M. W.	160.1866178
CAS
Similarity	N/A

ID: 135978

(126Xe)xenon			$$$$ Data
M. F.	Xe	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 602108 602116 Database Data ID PubChem 71309523
M. W.	125.904274
CAS
Similarity	N/A

ID: 135979

(131Xe)xenon			$$$$ Data
M. F.	Xe	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 602175 602159 602167 Database Data ID PubChem 11332483
M. W.	130.905082
CAS
Similarity	N/A

ID: 135980

(136Xe)xenon			$$$$ Data
M. F.	Xe	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 602248 602213 602221 Database Data ID PubChem 71309524
M. W.	135.907219
CAS
Similarity	N/A

ID: 135981

2-methylaniline			$$$$ Data
M. F.	C7H9N	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 608874 Database Data ID PubChem 12206671
M. W.	108.1464689
CAS
Similarity	N/A

ID: 135982

4-hydroxy-3-(2H3)methoxybenzaldehyde			$$$$ Data
M. F.	C8H8O3	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 606170 TRC H946042 Database Data ID PubChem 10749408
M. W.	152.14732
CAS	74495-74-2
Similarity	N/A

ID: 135983

5-ethyl-5-(4-hydroxyphenyl)-3-(2H3)methylimidazolidine-2,4...			$$$$ Data
M. F.	C12H14N2O3	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 616435 TRC H944877 Database Data ID PubChem 45039459
M. W.	234.25116
CAS
Similarity	N/A

ID: 135984

(1,3-15N2)-9H-purin-6-amine			$$$$ Data
M. F.	C5H5N5	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 644331 Database Data ID PubChem 66995532
M. W.	137.1135178
CAS	97908-71-9
Similarity	N/A

ID: 135985

prop-2-en-1-(2H)ol			$$$$ Data
M. F.	C3H6O	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 615013 Database Data ID PubChem 71309525
M. W.	58.07914
CAS
Similarity	N/A

ID: 135986

(14N)ammonia			$$$$ Data
M. F.	H3N	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 608777 Database Data ID PubChem 10290725
M. W.	17.02689401
CAS	1026405-88-8
Similarity	N/A

ID: 135987

(15N)ammonium chloride			$$$$ Data
M. F.	ClN	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 609471 348465 299251 (more...) Database Data ID PubChem 11051564
M. W.	50.4531089
CAS	99011-95-7
Similarity	N/A

ID: 135988

carbonic acid di(15N)amine			$$$$ Data
M. F.	CH8N2O3	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 608599 Database Data ID PubChem 71309526
M. W.	98.0726378
CAS	402835-84-1
Similarity	N/A

ID: 135989

[(15N)isocyanatomethyl]benzene			$$$$ Data
M. F.	C8H7NO	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 608807 Database Data ID PubChem 71309527
M. W.	134.1406889
CAS	697302-67-3
Similarity	N/A

ID: 135990

1-[(1,2,3,4,5,6-13C6)phenyl](1,2,3,4,5,6-1...			$$$$ Data
M. F.	C12H10	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 643432 Database Data ID PubChem 71309528
M. W.	166.11965806
CAS	104130-36-1
Similarity	N/A

ID: 135991

3-[({[2-carboxy-2-acetamido(1,2-13C2)ethyl]sulf...			$$$$ Data
M. F.	C11H16N2O7S2	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 651966 Database Data ID PubChem 71309529
M. W.	358.34137715
CAS
Similarity	N/A

ID: 135992

(10B)boric acid			$$$$ Data
M. F.	BH3O3	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 339660 426156 601586 Database Data ID PubChem 11343982
M. W.	61.034957
CAS	13813-79-1
Similarity	N/A

ID: 135993

2-bromo(1,2-13C2)acetic acid			$$$$ Data
M. F.	C2H3BrO2	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 283835 607525 Database Data ID PubChem 10486941
M. W.	140.93332968
CAS	52947-00-9
Similarity	N/A

ID: 135994

1-(7-ethyl-1-benzofuran-2-yl)-2-{[2-(2H3)methyl(2			$$$$ Data
M. F.	C16H24ClNO2	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 615668 TRC B689542 Database Data ID PubChem 45038471
M. W.	297.82026
CAS	1173023-51-2
Similarity	N/A

ID: 135995

(4R)-4-[(1S,2S,5R,7R,9R,10R,11S,14R,15R)-5,9-dihydroxy-2,15-dimethyl(4,4,5,6,6-<...			$$$$ Data
M. F.	C24H40O4	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 617024 TRC C291903 Database Data ID PubChem 71309530
M. W.	392.572
CAS	52840-12-7
Similarity	N/A

ID: 135996

5-chloro(2-13C,3-15N)-1,3-benzoxazol...			$$$$ Data
M. F.	C7H4ClNO2	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 608521 Database Data ID PubChem 71309531
M. W.	173.55098474
CAS	1173023-63-6
Similarity	N/A

ID: 135997

3-bromo(1,2,3-13C3)propan-1-ol			$$$$ Data
M. F.	C3H7BrO	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 642525 Database Data ID PubChem 71309532
M. W.	141.96904451
CAS	1173021-06-1
Similarity	N/A

ID: 135998

3-(13C)methyl(2,4-13C2)pe...			$$$$ Data
M. F.	C6H8O4	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 702250 Database Data ID PubChem 71309533
M. W.	147.10328451
CAS
Similarity	N/A

ID: 135999

sodium 2-oxo(2-13C)propanoate			$$$$ Data
M. F.	C3H3NaO3	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 490725 702242 TRC P998903 Database Data ID PubChem 16213478
M. W.	111.03654484
CAS	87976-70-3
Similarity	N/A

ID: 136000

(2-13C)-1,3-benzoxazol-2-(18O)ol			$$$$ Data
M. F.	C7H5NO2	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Sigma Aldrich 701726 Database Data ID PubChem 71309534
M. W.	138.11251584
CAS
Similarity	N/A

• ID:135951

  

  ethan(²H)ol

• ID:135952

  

  (1-¹³C)ethan-1-ol

• ID:135953

  

  4-bromo(1,2,3,4-¹³C₄)but-1-ene

• ID:135954

  

  4-bromo(2,3,5,6-²H₄)benzaldehyde

• ID:135955

  

  4-methoxy(2-²H)benzaldehyde

• ID:135956

  

  4-methoxy(3-²H)benzaldehyde

• ID:135957

  

  (2S)-2-amino-4-[(¹³C)methylsulfanyl]butanoic acid

• ID:135958

  

  (20,20,20-²H₃)icosanoic acid

• ID:135959

  

  2-phenyl(1-¹³C)acetyl chloride

• ID:135960

  

  (2R)-2-amino-3-sulfanyl(²H₃)propanoic acid

• ID:135961

  

  tert-butyl(2-methyl-1-phenylpropyl)(1-phenylethoxy)amine

• ID:135962

  

  (2R)-2-amino(3,3,3-²H₃)propanoic acid

• ID:135963

  

  (3R,4S,5S,6R)-6-(hydroxymethyl)(3,6-¹³C₂)oxane-2,3,4,5-tetrol

• ID:135964

  

  (3R,4R,5S,6R)-6-(hydroxymethyl)(5,6-¹³C₂)oxane-2,3,4,5-tetrol

• ID:135965

  

  (¹²⁴Xe)xenon

• ID:135966

  

  bis(1,2-¹³C₂)ethyl (¹³C)carbonate

• ID:135967

  

  dichloro(¹²C)methane

• ID:135968

  

  2-chloro-N-(1-methoxypropan-2-yl)-N-[4-(²H₃)methyl-2-methylthiophen-3-yl]acetamide

• ID:135969

  

  barium(2+) ion (¹³C)carbonate

• ID:135970

  

  (2S,5R,6R)-6-[(2R)-2-amino-2-phenylacetamido]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid

• ID:135971

  

  (³⁶Ar)argon

• ID:135972

  

  (³⁸Ar)argon

• ID:135973

  

  (⁴⁰Ar)argon

• ID:135974

  

  (²⁰Ne)neon

• ID:135975

  

  (²¹Ne)neon

• ID:135976

  

  (²²Ne)neon

• ID:135977

  

  naphthalene-2,3-di(¹⁵N)amine

• ID:135978

  

  (¹²⁶Xe)xenon

• ID:135979

  

  (¹³¹Xe)xenon

• ID:135980

  

  (¹³⁶Xe)xenon

• ID:135981

  

  2-methylaniline

• ID:135982

  

  4-hydroxy-3-(²H₃)methoxybenzaldehyde

• ID:135983

  

  5-ethyl-5-(4-hydroxyphenyl)-3-(²H₃)methylimidazolidine-2,4-dione

• ID:135984

  

  (1,3-¹⁵N₂)-9H-purin-6-amine

• ID:135985

  

  prop-2-en-1-(²H)ol

• ID:135986

  

  (¹⁴N)ammonia

• ID:135987

  

  (¹⁵N)ammonium chloride

• ID:135988

  

  carbonic acid di(¹⁵N)amine

• ID:135989

  

  [(¹⁵N)isocyanatomethyl]benzene

• ID:135990

  

  1-[(1,2,3,4,5,6-¹³C₆)phenyl](1,2,3,4,5,6-¹³C₆)benzene

• ID:135991

  

  3-[({[2-carboxy-2-acetamido(1,2-¹³C₂)ethyl]sulfanyl}carbonyl)sulfanyl]-2-acetamido(2,3-¹³C₂)propanoic acid

• ID:135992

  

  (¹⁰B)boric acid

• ID:135993

  

  2-bromo(1,2-¹³C₂)acetic acid

• ID:135994

  

  1-(7-ethyl-1-benzofuran-2-yl)-2-{[2-(²H₃)methyl(²H₆)propan-2-yl]amino}ethan-1-ol hydrochloride

• ID:135995

  

  (4R)-4-[(1S,2S,5R,7R,9R,10R,11S,14R,15R)-5,9-dihydroxy-2,15-dimethyl(4,4,5,6,6-²H₅)tetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadecan-14-yl]pentanoic acid

• ID:135996

  

  5-chloro(2-¹³C,3-¹⁵N)-1,3-benzoxazol-2-(¹⁸O)ol

• ID:135997

  

  3-bromo(1,2,3-¹³C₃)propan-1-ol

• ID:135998

  

  3-(¹³C)methyl(2,4-¹³C₂)pent-2-enedioic acid

• ID:135999

  

  sodium 2-oxo(2-¹³C)propanoate

• ID:136000

  

  (2-¹³C)-1,3-benzoxazol-2-(¹⁸O)ol