(S)-2',3',4',9'-Tetrahydrospiro[cyclobutane-1,1'-pyrido[3,4-b]indole]-3'-carboxylic acid CAS 1956436-79-5
| CAS No. | 1956436-79-5 |
| Molecular Formula | C15H16N2O2 |
| Molecular Weight | 256.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (S)-2',3',4',9'-Tetrahydrospiro[cyclobutane-1,1'-pyrido[3,4-b]indole]-3'-carboxylic acid is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
(S)-2',3',4',9'-Tetrahydrospiro[cyclobutane-1,1'-pyrido[3,4-b]indole]-3'-carboxylic acid (CAS 1956436-79-5), molecular formula C15H16N2O2 and molecular weight 256.30 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (S)-2',3',4',9'-Tetrahydrospiro[cyclobutane-1,1'-pyrido[3,4-b]indole]-3'-carboxylic acid (C15H16N2O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 256.30 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures (S)-2',3',4',9'-Tetrahydrospiro[cyclobutane-1,1'-pyrido[3,4-b]indole]-3'-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C15H16N2O2 |
| Molecular Weight | 256.30 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 2 |
Related S Standards
- (S)-2',3',4',9'-Tetrahydrospiro[oxetane-3,1'-pyrido[3,4-b]indole]-3'-carboxylic acid (CAS 1956436-34-2)
- Ethyl 1,4,6,7-tetrahydrospiro[indazole-5,2'-[1,3]dioxolane]-3-carboxylate (CAS 913558-29-9)
- 2-(2-Oxo-2',3',5',6'-tetrahydrospiro[indoline-3,4'-pyran]-1-yl)acetic acid (CAS 880079-26-5)
- 2-Oxo-2',3',5',6'-tetrahydrospiro[indoline-3,4'-pyran]-5-carboxylic acid (CAS 1373028-72-8)
- 1,2,4,5-Tetrahydrospiro[1,4-benzodiazepine-3,1'-cyclohexane]-2,5-dione (CAS 1429900-99-1)
- 5-Methyl-1,2,4,5-tetrahydrospiro[benzo[c]azepine-3,1'-cycloheptane] (CAS 1049742-94-0)
- 1,2,4,9-Tetrahydrospiro[carbazole-3,2'-[1,3]dioxane] (CAS 1352305-19-1)
- 2',3',4',9'-Tetrahydrospiro[piperidine-4,1'-pyrido[3,4-b]indole] (CAS 119990-83-9)
Recommended Standards
- 2-Cyclopropyl-N-(cyclopropylmethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide (CAS 1956378-87-2)
- tert-butyl rel-(2S)-2-methyl-3-[(4R)-4-methyl-2,5-dioxo-imidazolidin-4-yl]propanoate (CAS 1957284-34-2)
- 3-Methyl-N-phenyl-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine-1-carboxamide (CAS 1956334-33-0)
- (2-Benzyl-phenoxy)-acetic acid hydrazide (CAS 379727-10-3)
- n-Hydroxy-2-(p-tolyl)acetimidamide (CAS 1312766-67-8)
- N-tert-Butyl-3-methoxybenzamide (CAS 49834-28-8)
- N-[(1,3-dimethyl-1H-pyrazol-4-yl)methyl]-2-(3-methoxyphenyl)ethanamine (CAS 1170440-38-6)
- 4-(4-Chlorophenyl)-5-(methylsulfonyl)-1H-thieno[2,3-c]pyrazol-3-amine (CAS 1713174-46-9)
- 1,5,6,7-tetrahydrocyclopenta[d]pyrimidine-2,4-dione (CAS 5466-00-2)
- 3-Ethylquinolin-8-ol (CAS 111470-98-5)
- Mebrofenin CRS (CAS 78266-06-5)
- Vazegepant Impurity 40 (CAS CATO-C4X-320040)
- 5-Chloro-4-methyl-N-(pyridin-2-ylmethyl)-1,3-benzothiazol-2-amine (CAS 1105191-46-5)
- Acetyl tetrapeptide-9(Dermican LS 9837) (CAS 928006-50-2)
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