Thiazolo[3,2-a]indole-9-carboxylic acid CAS 152812-49-2
| CAS No. | 152812-49-2 |
| Molecular Formula | C11H7NO2S |
| Molecular Weight | 217.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Thiazolo[3,2-a]indole-9-carboxylic acid (C11H7NO2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone 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 217.24 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Thiazolo[3,2-a]indole-9-carboxylic acid (CAS 152812-49-2), molecular formula C11H7NO2S and molecular weight 217.24 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), Thiazolo[3,2-a]indole-9-carboxylic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C11H7NO2S |
| Molecular Weight | 217.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2000 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Thiazolo Standards
- [1,3]thiazolo[4,5-b]quinoxaline-2,7-diamine (CAS 103593-98-2)
- 7-methyl-[1,3]thiazolo[4,5-b]quinoxalin-2-amine (CAS 124984-24-3)
- Thiazolo[5,4-h]isoquinoline-2,5-diamine (CAS 35317-91-0)
- 4-{[1,3]thiazolo[5,4-b]pyridin-2-yl}-1,2,5-oxadiazol-3-amine (CAS 1493593-37-5)
- Thiazolo[5,4-b]pyridine, 5-bromo- (CAS 857969-66-5)
- Methyl 3-[1,3]thiazolo[2,3-c][1,2,4]triazol-5-ylpropanoate (CAS 1858251-07-6)
- Ethyl thiazolo[4,5-b]pyrazin-2-ylcarbamate (CAS 112342-69-5)
- Thiazolo[4',5':4,5]benzo[1,2-c][1,2,5]thiadiazol-6-amine (CAS 117889-00-6)
Recommended Standards
- 2-(2-Fluorophenyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine (CAS 1517359-13-5)
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- 3-Fluoro-5-p-tolyloxyphenylamine (CAS 1511709-95-7)
- 2-(Benzyloxy)-4-fluoroaniline (CAS 159471-73-5)
- Ethyl 2-(Methoxymethyl)benzoate (CAS 104216-92-4)
- 6-(Trifluoromethyl)-5H-[1,3]dioxolo[4,5-f]indole (CAS 174907-36-9)
- N-(2-(Isopropylamino)cyclohexyl)acetamide (CAS 1353952-98-3)
- 4-bromo-5-fluoro-6-methyl-1H-pyrazolo[3,4-b]pyridine (CAS 2765271-71-2)
- rac Zearalenone-d6 (CAS 1185236-04-7)
- 6-Chloro-2-(4-ethylphenyl)quinoline-4-carbonyl chloride (CAS 1160263-16-0)
- 2-Chloro-6-fluoroisonicotinaldehyde (CAS 1227489-89-5)
- Gefapixant Impurity 2 (CAS CATO-C4X-28492)
- Sodefrin (CAS 161928-96-7)
- Neuropeptide Y (porcine) trifluoroacetate salt (CAS 83589-17-7)
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