(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl (1R,4S,5R,9S,10R,13S)-13-{[(2S,3R,4S,5R,6R)-5-hydroxy-6-(hydroxymethyl)-3,4-bis({[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy})oxan-2-yl]oxy}-5,9-dimethyl-14-methylidenetetracyclo[11.2.1.01,10.04,9]hexadecane-5-carboxylate

• ChemBase ID: 153954
• Molecular Formular: C44H70O23
• Molecular Mass: 967.0128
• Monoisotopic Mass: 966.4307885
• SMILES: C[C@@]12CCC[C@@]([C@H]1CC[C@]13[C@H]2CC[C@](C1)(C(=C)C3)O[C@H]1[C@@H]([C@H]([C@@H]([C@H](O1)CO)O)O[C@H]1[C@@H]([C@H]([C@@H]([C@H](O1)CO)O)O)O)O[C@H]1[C@@H]([C@H]([C@@H]([C@H](O1)CO)O)O)O)(C)C(=O)O[C@H]1[C@@H]([C@H]([C@@H]([C@H](O1)CO)O)O)O
• Canonical SMILES: OC[C@H]1O[C@@H](O[C@@]23CC[C@@H]4[C@@](C2)(CC3=C)CC[C@H]2[C@@]4(C)CCC[C@@]2(C)C(=O)O[C@@H]2O[C@H](CO)[C@H]([C@@H]([C@H]2O)O)O)[C@@H]([C@H]([C@@H]1O)O[C@@H]1O[C@H](CO)[C@H]([C@@H]([C@H]1O)O)O)O[C@@H]1O[C@H](CO)[C@H]([C@@H]([C@H]1O)O)O
• InChI: InChI=1S/C44H70O23/c1-17-11-43-9-5-22-41(2,7-4-8-42(22,3)40(59)66-38-33(58)30(55)26(51)20(14-47)62-38)23(43)6-10-44(17,16-43)67-39-35(65-37-32(57)29(54)25(50)19(13-46)61-37)34(27(52)21(15-48)63-39)64-36-31(56)28(53)24(49)18(12-45)60-36/h18-39,45-58H,1,4-16H2,2-3H3/t18-,19-,20-,21-,22+,23+,24-,25-,26-,27-,28+,29+,30+,31-,32-,33-,34+,35-,36+,37+,38+,39+,41-,42-,43-,44+/m1/s1
• InChIKey: HELXLJCILKEWJH-NCGAPWICSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: (2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl (1R,4S,5R,9S,10R,13S)-13-{[(2S,3R,4S,5R,6R)-5-hydroxy-6-(hydroxymethyl)-3,4-bis({[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy})oxan-2-yl]oxy}-5,9-dimethyl-14-methylidenetetracyclo[11.2.1.0^1,^1^0.0^4,^9]hexadecane-5-carboxylate
• IUPAC Traditional name: (2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl (1R,4S,5R,9S,10R,13S)-13-{[(2S,3R,4S,5R,6R)-5-hydroxy-6-(hydroxymethyl)-3,4-bis({[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy})oxan-2-yl]oxy}-5,9-dimethyl-14-methylidenetetracyclo[11.2.1.0^1,^1^0.0^4,^9]hexadecane-5-carboxylate
• Synonyms: (4α)-13-[(2-O-β-D-glucopyranosyl-3-O-β-D-glucopyranosyl-β-D-glucopyranosyl)-oxy]kaur-6-en-8-oic acid β-D-glucopyranosyl ester; Rebaudioside A

Database IDs

• CAS Number: 58543-16-1
• MDL Number: MFCD02183463
• Beilstein Number: 6470556
• PubChem SID: 162248093
• PubChem CID: 6918840

CALCULATED PROPERTIES

• Acid pKa: 11.750304
• H Acceptors: 22
• H Donor: 14
• LogD (pH = 5.5): -3.9320443
• LogD (pH = 7.4): -3.9320633
• Log P: -3.932044
• Molar Refractivity: 218.5628 cm^3
• Polarizability: 90.66092 Å^3
• Polar Surface Area: 374.13 Å^2
• Rotatable Bonds: 13
• Lipinski's Rule of Five: false

PROPERTIES

Physical Property

• Optical Rotation: [α]/D -33.0±3.0°, c = 1% in H2O

Safety Information

• German water hazard class: 3
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter

Product Information

• Purity: ≥96% (HPLC)
• Empirical Formula (Hill Notation): C44H70O23

DETAILS

Sigma Aldrich - 01432

Application
Rebaudioside A is a glucosylated steviol glycoside studied and used as a non-glycemic food sweetener.