K252a CAS 97161-97-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 97161-97-2 |
| Molecular Formula | C27H21N3O5 |
| Molecular Weight | 467.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies K252a (CAS 97161-97-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C27H21N3O5. Molecular weight: 467.47 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C27H21N3O5 |
| Molecular Weight | 467.47 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 3 |
Recommended Standards
- 4-((11AS)-5-(3-methoxyphenyl)-1,3-dioxo-5,6,11,11a-tetrahydro-1H-imidazo[1',5':1,6]pyrido[3,4-b]indol-2(3H)-yl)benzoic acid (CAS 956947-77-6)
- Methyl 2-(3-(3-fluoro-4-methylbenzoyl)-4-hydroxy-5-oxo-2-(pyridin-3-yl)-2,5-dihydro-1H-pyrrol-1-yl)-4-methylthiazole-5-carboxylate (CAS 617698-27-8)
- 2-((11AS)-5-(4-methoxyphenyl)-1,3-dioxo-5,6,11,11a-tetrahydro-1H-imidazo[1',5':1,6]pyrido[3,4-b]indol-2(3H)-yl)benzoic acid (CAS 956919-29-2)
- ((4-Fluorophenyl)sulfonyl)-l-methionine (CAS 97801-46-2)
- 4-Phenylbenzamide (CAS 3815-20-1)
- 2-((1-(2-Methoxyethyl)-5-phenyl-1H-imidazol-2-yl)thio)-N-(thiazol-2-yl)acetamide (CAS 1207039-60-8)
- 3-Pyrrolidinyl tetrahydro-2H-pyran-4-carboxylatehydrochloride (CAS 1220031-91-3)
- Ethyl 5-(difluoromethyl)-1-isobutyl-1H-pyrazole-4-carboxylate (CAS 1275246-17-7)
- 4-(3-Aminophenyl)-N-ethyl-2-fluorobenzamide (CAS 1373232-72-4)
- Semaglutide impurity 28 (CAS CATO-C4X-222628)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com