Chembase list of 866358 unique molecular structures

1-benzoylpiperidin-4-amine hydrochloride

$$$$ Data

M. F.

C12H17ClN2O

Suppliers	Catalog Number
Matrix Scientific	031025
InterBioScreen	BB_SC-8821
Enamine	EN300-15392

Database	Data ID
PubChem	16268812

M. W.

240.72918

CAS

150514-60-6

Similarity

N/A

ID: 28452

1H-indole-6-carbaldehyde

$$$$ Data More

M. F.

C9H7NO

Suppliers	Catalog Number
Sigma Aldrich	632406
ChemBridge	3020078
Matrix Scientific	031026

Database	Data ID
PubChem	2773435

M. W.

145.15798

CAS

1196-70-9

Similarity

N/A

ID: 28453

3-acetyl-1H-indole-6-carbonitrile

$$$$ Data

M. F.

C11H8N2O

Suppliers	Catalog Number
Matrix Scientific	031027

Database	Data ID
PubChem	25219385

M. W.

184.19402

CAS

Similarity

N/A

ID: 28454

1-acetyl-1H-indole-6-carbonitrile

$$$$ Data

M. F.

C11H8N2O

Suppliers	Catalog Number
ChemBridge	4033694
Matrix Scientific	031028

Database	Data ID
PubChem	25219386

M. W.

184.19402

CAS

1017791-09-1

Similarity

N/A

ID: 28455

(2H-1,3-benzodioxol-5-ylmethyl)(1H-indol-6-ylmethyl)amine

$$$$ Data

M. F.

C17H16N2O2

Suppliers	Catalog Number
Matrix Scientific	031029

Database	Data ID
PubChem	28307671

M. W.

280.32114

CAS

Similarity

N/A

ID: 28456

(1H-indol-6-ylmethyl)(pyridin-3-ylmethyl)amine

$$$$ Data

M. F.

C15H15N3

Suppliers	Catalog Number
Matrix Scientific	031030

Database	Data ID
PubChem	28307673

M. W.

237.2997

CAS

Similarity

N/A

ID: 28457

N-(1H-indol-6-ylmethyl)cyclopentanamine

$$$$ Data

M. F.

C14H18N2

Suppliers	Catalog Number
Matrix Scientific	031031

Database	Data ID
PubChem	28307675

M. W.

214.30612

CAS

Similarity

N/A

ID: 28458

benzyl(1H-indol-6-ylmethyl)amine

$$$$ Data

M. F.

C16H16N2

Suppliers	Catalog Number
Matrix Scientific	031032

Database	Data ID
PubChem	28307677

M. W.

236.31164

CAS

Similarity

N/A

ID: 28459

(1H-indol-6-ylmethyl)(2-phenylethyl)amine

$$$$ Data

M. F.

C17H18N2

Suppliers	Catalog Number
Matrix Scientific	031033

Database	Data ID
PubChem	28307679

M. W.

250.33822

CAS

Similarity

N/A

ID: 28460

N-(1H-indol-6-ylmethyl)cyclohexanamine

$$$$ Data

M. F.

C15H20N2

Suppliers	Catalog Number
Matrix Scientific	031034

Database	Data ID
PubChem	28307681

M. W.

228.3327

CAS

Similarity

N/A

ID: 28461

2-(cyclopentylamino)pyridine-3-carbonitrile

$$$$ Data

M. F.

C11H13N3

Suppliers	Catalog Number
Matrix Scientific	031035
Enamine	EN300-75311

Database	Data ID
PubChem	17221181

M. W.

187.24102

CAS

Similarity

N/A

ID: 28462

2-(cyclohexylamino)pyridine-3-carbonitrile

$$$$ Data

M. F.

C12H15N3

Suppliers	Catalog Number
Matrix Scientific	031036
Bide Pharmatech	BD177149

Database	Data ID
PubChem	12818653

M. W.

201.2676

CAS

77276-34-7

Similarity

N/A

ID: 28463

2-(benzylamino)pyridine-3-carbonitrile

$$$$ Data

M. F.

C13H11N3

Suppliers	Catalog Number
Matrix Scientific	031037

Database	Data ID
PubChem	562158

M. W.

209.24654

CAS

Similarity

N/A

ID: 28464

2-[(2-phenylethyl)amino]pyridine-3-carbonitrile

$$$$ Data

M. F.

C14H13N3

Suppliers	Catalog Number
Matrix Scientific	031038

Database	Data ID
PubChem	15073509

M. W.

223.27312

CAS

Similarity

N/A

ID: 28465

2-[(oxolan-2-ylmethyl)amino]pyridine-3-carbonitrile

$$$$ Data

M. F.

C11H13N3O

Suppliers	Catalog Number
Matrix Scientific	031039

Database	Data ID
PubChem	17221187

M. W.

203.24042

CAS

Similarity

N/A

ID: 28466

2-{[2-(morpholin-4-yl)ethyl]amino}pyridine-3-carbonitrile

$$$$ Data

M. F.

C12H16N4O

Suppliers	Catalog Number
Matrix Scientific	031040

Database	Data ID
PubChem	15073510

M. W.

232.28164

CAS

Similarity

N/A

ID: 28467

2-(morpholin-4-yl)pyridine-3-carbonitrile

$$$$ Data More

M. F.

C10H11N3O

Suppliers	Catalog Number
ChemBridge	4028030
Matrix Scientific	031041
Key Organics	3X-0726

Database	Data ID
PubChem	2763852

M. W.

189.21384

CAS

59025-37-5

Similarity

N/A

ID: 28468

2-[(2-methoxyethyl)amino]pyridine-3-carbonitrile

$$$$ Data

M. F.

C9H11N3O

Suppliers	Catalog Number
Matrix Scientific	031042

Database	Data ID
PubChem	17221188

M. W.

177.20314

CAS

Similarity

N/A

ID: 28469

2-chloro-N-(2,3-dihydro-1H-inden-2-yl)acetamide

$$$$ Data

M. F.

C11H12ClNO

Suppliers	Catalog Number
Matrix Scientific	031043
Apollo Scientific	OR1587

Database	Data ID
PubChem	2735710

M. W.

209.67208

CAS

Similarity

N/A

ID: 28470

methyl 6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylate hydrochloride

$$$$ Data

M. F.

C13H18ClNO4

Suppliers	Catalog Number
Matrix Scientific	031044

Database	Data ID
PubChem	17149307

M. W.

287.73932

CAS

Similarity

N/A

ID: 28471

methyl 3-aminothieno[2,3-b]pyridine-2-carboxylate

$$$$ Data More

M. F.

C9H8N2O2S

Suppliers	Catalog Number
Matrix Scientific	031045
Key Organics	2X-0705
Apollo Scientific	OR17991

Database	Data ID
PubChem	2820896

M. W.

208.23702

CAS

111042-89-8

Similarity

N/A

ID: 28472

2-amino-7,7-dimethyl-5,6,7,8-tetrahydroquinazolin-5-one

$$$$ Data

M. F.

C10H13N3O

Suppliers	Catalog Number
ChemBridge	4030832
Matrix Scientific	031046

Database	Data ID
PubChem	2772366

M. W.

191.22972

CAS

21599-37-1

Similarity

N/A

ID: 28473

2-amino-4,7,7-trimethyl-5,6,7,8-tetrahydroquinazolin-5-one

$$$$ Data

M. F.

C11H15N3O

Suppliers	Catalog Number
Matrix Scientific	031047

Database	Data ID
PubChem	5150602

M. W.

205.2563

CAS

Similarity

N/A

ID: 28474

3-(2-methoxyethyl)-4-oxo-2-sulfanylidene-1,2,3,4-tetrahydroquinazoline-7-carboxy...

$$$$ Data

M. F.

C12H12N2O4S

Suppliers	Catalog Number
Matrix Scientific	031048

Database	Data ID
PubChem	4641995

M. W.

280.29968

CAS

Similarity

N/A

ID: 28475

3-methyl-4-oxo-2-sulfanylidene-1,2,3,4-tetrahydroquinazoline-7-carboxylic acid

$$$$ Data

M. F.

C10H8N2O3S

Suppliers	Catalog Number
Matrix Scientific	031049

Database	Data ID
PubChem	4850197

M. W.

236.24712

CAS

Similarity

N/A

ID: 28476

3-ethyl-4-oxo-2-sulfanylidene-1,2,3,4-tetrahydroquinazoline-7-carboxylic acid

$$$$ Data

M. F.

C11H10N2O3S

Suppliers	Catalog Number
Matrix Scientific	031050

Database	Data ID
PubChem	4850196

M. W.

250.2737

CAS

Similarity

N/A

ID: 28477

1-[(2-aminoethyl)sulfanyl]-4-methylbenzene

$$$$ Data

M. F.

C9H13NS

Suppliers	Catalog Number
ChemBridge	6873887
Matrix Scientific	031051
Enamine	EN300-13380

Database	Data ID
PubChem	420617

M. W.

167.27122

CAS

42404-23-9

Similarity

N/A

ID: 28478

2-[4-(pyrimidin-2-yl)piperazin-1-yl]acetic acid

$$$$ Data

M. F.

C10H14N4O2

Suppliers	Catalog Number
ChemBridge	4027842
Matrix Scientific	031052

Database	Data ID
PubChem	17221249

M. W.

222.24376

CAS

244255-92-3

Similarity

N/A

ID: 28479

N-cyclopentyl-2-(piperazin-1-yl)acetamide

$$$$ Data

M. F.

C11H21N3O

Suppliers	Catalog Number
Matrix Scientific	031053
InterBioScreen	BB_SC-8016

Database	Data ID
PubChem	17221266

M. W.

211.30394

CAS

Similarity

N/A

ID: 28480

N-cyclohexyl-2-(piperazin-1-yl)acetamide

$$$$ Data

M. F.

C12H23N3O

Suppliers	Catalog Number
Matrix Scientific	031054
Enamine	EN300-68725

Database	Data ID
PubChem	68835

M. W.

225.33052

CAS

64204-55-3

Similarity

N/A

ID: 28481

N-benzyl-2-(piperazin-1-yl)acetamide

$$$$ Data

M. F.

C13H19N3O

Suppliers	Catalog Number
Matrix Scientific	031055
Enamine	EN300-26534

Database	Data ID
PubChem	2756655

M. W.

233.30946

CAS

Similarity

N/A

ID: 28482

N-[2-(5-methoxy-1H-indol-3-yl)ethyl]-2-(piperazin-1-yl)acetamide

$$$$ Data

M. F.

C17H24N4O2

Suppliers	Catalog Number
Matrix Scientific	031056

Database	Data ID
PubChem	17221295

M. W.

316.39806

CAS

Similarity

N/A

ID: 28483

N-phenyl-2-(piperazin-1-yl)acetamide

$$$$ Data

M. F.

C12H17N3O

Suppliers	Catalog Number
Matrix Scientific	031057
InterBioScreen	BB_SC-8026
Enamine	EN300-27102

Database	Data ID
PubChem	2029938

M. W.

219.28288

CAS

Similarity

N/A

ID: 28484

1-isothiocyanato-2,3-dimethoxybenzene

$$$$ Data

M. F.

C9H9NO2S

Suppliers	Catalog Number
Matrix Scientific	031058

Database	Data ID
PubChem	2772282

M. W.

195.23826

CAS

Similarity

N/A

ID: 28485

5-nitro-1H-indazol-3-amine

$$$$ Data More

M. F.

C7H6N4O2

Suppliers	Catalog Number
Matrix Scientific	031059
Key Organics	3Y-5005
Apollo Scientific	OR0925

Database	Data ID
PubChem	3136655

M. W.

178.14814

CAS

41339-17-7

Similarity

N/A

ID: 28486

2-hydrazinyl-3-methyl-3,4-dihydroquinazolin-4-one

$$$$ Data

M. F.

C9H10N4O

Suppliers	Catalog Number
Matrix Scientific	031060
Enamine	EN300-12641

Database	Data ID
PubChem	376484

M. W.

190.2019

CAS

61507-80-0

Similarity

N/A

ID: 28487

3-ethyl-2-hydrazinyl-3,4-dihydroquinazolin-4-one

$$$$ Data

M. F.

C10H12N4O

Suppliers	Catalog Number
Matrix Scientific	031061
Enamine	EN300-12640

Database	Data ID
PubChem	4962014

M. W.

204.22848

CAS

86662-57-9

Similarity

N/A

ID: 28488

2-hydrazinyl-6,7-dimethoxy-3-methyl-3,4-dihydroquinazolin-4-one

$$$$ Data

M. F.

C11H14N4O3

Suppliers	Catalog Number
Matrix Scientific	031062

Database	Data ID
PubChem	17221394

M. W.

250.25386

CAS

Similarity

N/A

ID: 28489

3-ethyl-2-hydrazinyl-6,7-dimethoxy-3,4-dihydroquinazolin-4-one

$$$$ Data

M. F.

C12H16N4O3

Suppliers	Catalog Number
Matrix Scientific	031063

Database	Data ID
PubChem	16460068

M. W.

264.28044

CAS

Similarity

N/A

ID: 28490

[(4-fluorophenyl)methyl](1H-indol-4-ylmethyl)amine

$$$$ Data

M. F.

C16H15FN2

Suppliers	Catalog Number
Matrix Scientific	031065

Database	Data ID
PubChem	16767535

M. W.

254.3021032

CAS

Similarity

N/A

ID: 28491

N-(1H-indol-5-ylmethyl)-3,4,5-trimethoxyaniline

$$$$ Data

M. F.

C18H20N2O3

Suppliers	Catalog Number
Matrix Scientific	031066

Database	Data ID
PubChem	16767536

M. W.

312.363

CAS

Similarity

N/A

ID: 28492

methyl 2-[(4E)-4-[(dimethylamino)methylidene]-5-oxo-1-phenyl-4,5-dihydro-1H-pyra...

$$$$ Data

M. F.

C15H17N3O3

Suppliers	Catalog Number
Matrix Scientific	031067

Database	Data ID
PubChem	1509792

M. W.

287.31378

CAS

Similarity

N/A

ID: 28493

N-(1H-indol-5-ylmethyl)-4-(1H-1,2,4-triazol-1-ylmethyl)aniline

$$$$ Data

M. F.

C18H17N5

Suppliers	Catalog Number
Matrix Scientific	031068

Database	Data ID
PubChem	16767510

M. W.

303.36108

CAS

Similarity

N/A

ID: 28494

1-(3-nitropyridin-2-yl)piperidin-4-amine

$$$$ Data

M. F.

C10H14N4O2

Suppliers	Catalog Number
Matrix Scientific	031069

Database	Data ID
PubChem	12969124

M. W.

222.24376

CAS

Similarity

N/A

ID: 28495

5-nitro-N-(pyridin-3-ylmethyl)pyridin-2-amine

$$$$ Data

M. F.

C11H10N4O2

Suppliers	Catalog Number
Matrix Scientific	031070

Database	Data ID
PubChem	17609485

M. W.

230.2227

CAS

Similarity

N/A

ID: 28496

methyl 5-chloro-3-(chlorosulfonyl)thiophene-2-carboxylate

$$$$ Data

M. F.

C6H4Cl2O4S2

Suppliers	Catalog Number
ChemBridge	4036138
Matrix Scientific	031071
InterBioScreen	BB_SC-6013

Database	Data ID
PubChem	10869516

M. W.

275.12956

CAS

158439-31-7

Similarity

N/A

ID: 28497

methyl 5-chloro-3-(morpholine-4-sulfonyl)thiophene-2-carboxylate

$$$$ Data

M. F.

C10H12ClNO5S2

Suppliers	Catalog Number
Matrix Scientific	031072

Database	Data ID
PubChem	16646092

M. W.

325.78898

CAS

Similarity

N/A

ID: 28498

methyl 5-chloro-3-sulfamoylthiophene-2-carboxylate

$$$$ Data

M. F.

C6H6ClNO4S2

Suppliers	Catalog Number
Matrix Scientific	031073

Database	Data ID
PubChem	16646093

M. W.

255.69914

CAS

Similarity

N/A

ID: 28499

2-{[(2-methoxyphenyl)methyl]amino}-5-nitrobenzonitrile

$$$$ Data

M. F.

C15H13N3O3

Suppliers	Catalog Number
Matrix Scientific	031074

Database	Data ID
PubChem	3951526

M. W.

283.28202

CAS

Similarity

N/A

ID: 28500

methyl 3-amino-5-nitro-1-benzothiophene-2-carboxylate

$$$$ Data

M. F.

C10H8N2O4S

Suppliers	Catalog Number
Matrix Scientific	031075

Database	Data ID
PubChem	2759774

M. W.

252.24652

CAS

Similarity

N/A

Part I: Carbon
- I.1: Carbon-Carbon Bonds
- I.1.1 Alkanes
- Primary carbon
- Secondary carbon
- Tertiary carbon
- Quaternary carbon
- I.1.2 C-C double and Triple Bonds
- Alkene
- Alkyne
- Allene
- I.2: One Carbon-Hetero Bond
- I.2.1 Alkyl Halogenides
- Alkylchloride
- Alkylfluoride
- Alkylbromide
- Alkyliodide
- I.2.2 Alcohols and Ethers
- Alcohol
- Primary alcohol
- Secondary alcohol
- Tertiary alcohol
- Dialkylether
- Dialkylthioether
- Alkylarylether
- Diarylether
- Alkylarylthioether
- Diarylthioether
- Oxonium
- I.2.3 Amines
- Amine
- Primary aliphatic amine
- Secondary aliphatic amine
- Tertiary aliphatic amine
- Quaternary aliphatic ammonium
- Primary aromatic amine
- Secondary aromatic amine
- Tertiary aromatic amine
- Quaternary aromatic ammonium
- Secondary mixed amine
- Tertiary mixed amine
- Quaternary mixed ammonium
- Ammonium
- I.2.4 Others
- Alkylthiol
- Dialkylthioether
- Alkylarylthioether
- Disulfide
- 1,2-Aminoalcohol
- 1,2-Diol
- 1,1-Diol
- Hydroperoxide
- Peroxo
- Organolithium compounds
- Organomagnesium compounds
- Organometallic compounds
- I.3: Two Carbon-Hetero Bonds (Carbonyl and Derivatives)
- I.3.1 Double Bond to Hetero
- Aldehyde
- Ketone
- Thioaldehyde
- Thioketone
- Imine
- Immonium
- Oxime
- Oximether
- I.3.2. Two Single Bonds to Hetero
- Acetal
- Hemiacetal
- Aminal
- Hemiaminal
- Thioacetal
- Thiohemiacetal
- Halogen acetal like
- Acetal like
- Halogenmethylen ester and similar
- NOS methylen ester and similar
- Hetero methylen ester and similar
- Cyanhydrine
- I.3.3 Single Bond to Hetero, C=C Double Bond (Enols and Similar)
- Chloroalkene
- Fluoroalkene
- Bromoalkene
- Iodoalkene
- Enol
- Endiol
- Enolether
- Enolester
- Enamine
- Thioenol
- Thioenolether
- I.4: Three Carbon-Hetero Bonds (Carboxyl and Derivatives)
- Acylchloride
- Acylfluoride
- Acylbromide
- Acyliodide
- Acylhalide
- Carboxylic acid
- Carboxylic ester
- Lactone
- Carboxylic anhydride
- Carboxylic acid derivative
- Carbothioic acid
- Carbothioic S ester
- Carbothioic S lactone
- Carbothioic O ester
- Carbothioic O lactone
- Carbothioic halide
- Carbodithioic acid
- Carbodithioic ester
- Carbodithiolactone
- Amide
- Primary amide
- Secondary amide
- Tertiary amide
- Lactam
- Alkyl imide
- N hetero imide
- Imide acidic
- Thioamide
- Thiolactam
- Oximester
- Amidine
- Hydroxamic acid
- Hydroxamic acid ester
- Imidoacid
- Imidoacid cyclic
- Imidoester
- Imidolactone
- Imidothioacid
- Imidothioacid cyclic
- Imidothioester
- Imidothiolactone
- Amidine
- Imidolactam
- Imidoylhalide
- Imidoylhalide cyclic
- Amidrazone
- Alpha aminoacid
- Alpha hydroxyacid
- Peptide middle
- Peptide C term
- Peptide N term
- Carboxylic orthoester
- Ketene
- Ketenacetal
- Nitrile
- Isonitrile
- Vinylogous carbonyl or carboxyl derivative
- Vinylogous acid
- Vinylogous ester
- Vinylogous amide
- Vinylogous halide
- I.5: Four Carbon-Hetero Bonds (Carbonic Acid and Derivatives)
- Carbonic acid dieester
- Carbonic acid esterhalide
- Carbonic acid monoester
- Carbonic acid derivatives
- Thiocarbonic acid dieester
- Thiocarbonic acid esterhalide
- Thiocarbonic acid monoester
- Urea
- Thiourea
- Isourea
- Isothiourea
- Guanidine
- Carbaminic acid
- Urethan(Carbamate ester)
- Biuret
- Semicarbazide
- Carbazide
- Semicarbazone
- Carbazone
- Thiosemicarbazide
- Thiocarbazide
- Thiosemicarbazone
- Thiocarbazone
- Isocyanate
- Cyanate
- Isothiocyanate
- Thiocyanate
- Carbodiimide
- Orthocarbonic derivatives
- I.6 Aromatics
- Phenol
- 1,2-Diphenol
- Arylchloride
- Arylfluoride
- Arylbromide
- Aryliodide
- Arylthiol
- Iminoarene
- Oxoarene
- Thioarene
- Hetero N basic H
- Hetero N basic no H
- Hetero N nonbasic
- Hetero O
- Hetero S
- Heteroaromatic
Part II: N, S, P, Si, B
- II.1 Nitrogen
- Nitrite
- Thionitrite
- Nitrate
- Nitro
- Nitroso
- Azide
- Acylazide
- Diazo
- Diazonium
- Nitrosamine
- Nitrosamide
- N-Oxide
- Hydrazine
- Hydrazone
- Hydroxylamine
- II.2 Sulfur
- Sulfon
- Sulfoxide
- Sulfonium
- Sulfuric acid
- Sulfuric monoester
- Sulfuric diester
- Sulfuric monoamide
- Sulfuric diamide
- Sulfuric esteramide
- Sulfuric derivative
- Sulfonic acid
- Sulfonamide
- Sulfonic ester
- Sulfonic halide
- Sulfonic derivative
- Sulfinic acid
- Sulfinic amide
- Sulfinic ester
- Sulfinic halide
- Sulfinic derivative
- Sulfenic acid
- Sulfenic amide
- Sulfenic ester
- Sulfenic halide
- Sulfenic derivative
- II.3 Phosphorous
- Phosphine
- Phosphine oxide
- Phosphonium
- Phosphorylen
- Phosphonic acid
- Phosphonic monoester
- Phosphonic diester
- Phosphonic monoamide
- Phosphonic diamide
- Phosphonic esteramide
- Phosphonic acid derivative
- Phosphoric acid
- Phosphoric monoester
- Phosphoric diester
- Phosphoric triester
- Phosphoric monoamide
- Phosphoric diamide
- Phosphoric triamide
- Phosphoric monoestermonoamide
- Phosphoric diestermonoamide
- Phosphoric monoesterdiamide
- Phosphoric acid derivative
- Phosphinic acid
- Phosphinic ester
- Phosphinic amide
- Phosphinic acid derivative
- Phosphonous acid
- Phosphonous monoester
- Phosphonous diester
- Phosphonous monoamide
- Phosphonous diamide
- Phosphonous esteramide
- Phosphonous derivatives
- Phosphinous acid
- Phosphinous ester
- Phosphinous amide
- Phosphinous derivatives
- II.4 Silicon
- Quart silane
- Non-quart silane
- Silylmonohalide
- Het trialkylsilane
- Dihet dialkylsilane
- Trihet alkylsilane
- Silicic acid derivative
- II.5 Boron
- Trialkylborane
- Boric acid derivatives
- Boronic acid derivative
- Borohydride
- Quaternary boron
Part III: Some Special Patterns
- III.1 Chains
- III.2 Rings
- Aromatic
- Heterocyclic
- Epoxide
- NH aziridine
- Spiro
- Annelated rings
- Bridged rings
- III.3 Sugars and Nucleosides/Nucleotides, Steroids
- Sugar pattern 1
- Sugar pattern 2
- Sugar pattern combi
- Sugar pattern 2 reducing
- Sugar pattern 2 alpha
- Sugar pattern 2 beta
- III.4 Everything else...
- Conjugated double bond
- Conjugated tripple bond
- Cis double bond
- Trans double bond
- Mixed anhydrides
- Halogen on hetero
- Halogen multi subst
- Trifluoromethyl
- C ONS bond
- Charged
- Anion
- Kation
- Salt
- 1,3-Tautomerizable
- 1,5-Tautomerizable
- Rotatable bond
- Michael acceptor
- Dicarbodiazene
- CH-acidic
- CH-acidic strong
- Chiral center specified