
Chemical identity
6-O-β-D-Galactopyranosyl-D-galactose
CAS 5077-31-6 · C12H22O11
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-03767 |
|---|---|
| PubChem CID | 151251 |
| Name | 6-O-β-D-Galactopyranosyl-D-galactose |
| CAS RN | 5077-31-6 |
| Molecular formula | C12H22O11 |
| Molecular weight | 342.3 g/mol |
| IUPAC name | (2R,3S,4S,5R)-2,3,4,5-tetrahydroxy-6-(((2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)hexanal |
| InChIKey | AYRXSINWFIIFAE-VLGSDMRPSA-N |
02Structure identifiers

The parsed structure contains 1 ring, includes aliphatic carbon, has 8 defined stereocentres. These statements are calculated from the published structure string.
| Defined stereocentres | 8 |
|---|---|
| Unassigned stereocentres | 1 |
| Ring count | 1 |
| Secondary amines | 0 |
| Tertiary amines | 0 |
| N-methyl amine sites | 0 |
| SMILES | C([C@@H]1[C@@H]([C@@H]([C@H](C(O1)OC[C@H]([C@@H]([C@@H]([C@H](C=O)O)O)O)O)O)O)O)O |
|---|---|
| InChI | Not listed |
| Formula from structure | C12H22O11 |
| Molecular weight from structure | 342.3 g/mol |
03Stereochemistry
The published structure contains 8 defined and 1 unassigned tetrahedral stereocentres. The exact wedge and dash depiction is shown above.
Published same-connectivity configurations
3 recordsThese records have the same connectivity, molecular formula and protonation layer, but a different complete InChIKey stereochemical layer. Only separately structure-linked records are shown.


(2R,3S,4R,5R)-2,3,4,5-Tetrahydroxy-6-(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)hexanal
CAS not listed
AYRXSINWFIIFAE-YJOKQAJESA-N
9 defined, 0 unassigned centres

6-O-B-D-Galactopyranosyl-D-galactose
CAS not listed
AYRXSINWFIIFAE-CABDRJSWSA-N
9 defined, 0 unassigned centres
Scope: The mathematical 2^n value is only an upper bound. Symmetry and other stereogenic elements can change the number of distinct stereoisomers. A hypothetical configuration is not published as a compound record without a verified structure identity.
04India status for this compound
These results apply only to this exact compound name and CAS number. Confirm the current official instruments before making a regulatory decision.
| NDPS / RCS | NO EXACT MATCH FOUND | CAS 5077-31-6 has no exact match in the reviewed published schedule. |
|---|---|---|
| SCOMET | NO EXACT REVIEWED CAS MATCH | CAS 5077-31-6 has no exact match in the reviewed SCOMET list. |
| Review date | 2026-08-01 | Recheck the current official instruments for the material, concentration, activity and date in question. |
- Narcotic Drugs and Psychotropic Substances Act, 1985, ScheduleDepartment of Revenue, Government of India · reviewed 2026-08-01
- Controlled-substances notifications and amendmentsDepartment of Revenue, Government of India · reviewed 2026-08-01
- Appendix 3, SCOMET ListDirectorate General of Foreign Trade, Government of India · reviewed 2026-08-01
05Names and relationships
Associated parent compound
Lactose
View API and impurity familyOther names
- 6-O-Galactopyranosylgalactose
- Swietenose
- RefChem:105146
- 5077-31-6
- 6-O-beta-D-galactopyranosyl-D-galactose
- Galalpha1-4Gal
- (2R,3S,4S,5R)-2,3,4,5-tetrahydroxy-6-[(3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyhexanal
- 8MVM4THT2K
- D-Galactose, 6-O-beta-D-galactopyranosyl-
- UNII-8MVM4THT2K
- SCHEMBL4281673
06Documented history
Dated discovery, occurrence, use and issue claims are published only when a suitable primary or government source is available.
No verified discovery, first report, occurrence, use or issue event is currently available for this identity.
07Sources
- S01PubChem compound record, CID 151251
Names and machine-readable chemical identity properties.
- S02NCBI website and molecular data policies
Reuse policy for NCBI molecular data. This page does not reproduce vendor descriptions or contributed narrative text.
- S03Narcotic Drugs and Psychotropic Substances Act, 1985, Schedule
Department of Revenue, Government of India. Used for the exact-compound India status shown on this page.
- S04Controlled-substances notifications and amendments
Department of Revenue, Government of India. Used for the exact-compound India status shown on this page.
- S05Appendix 3, SCOMET List
Directorate General of Foreign Trade, Government of India. Used for the exact-compound India status shown on this page.
