Ethyl 3-cyano-7-methyl-6-oxo-6H-pyrazolo[1,5-a][1,3]diazepine-8-carboxylate CAS 77936-97-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 77936-97-1 |
| Molecular Formula | C12H10N4O3 |
| Molecular Weight | 258.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 3-cyano-7-methyl-6-oxo-6H-pyrazolo[1,5-a][1,3]diazepine-8-carboxylate (CAS 77936-97-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H10N4O3. Molecular weight: 258.23 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H10N4O3 |
| Molecular Weight | 258.23 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Nitrogen Atoms | 4 |
Related Ethyl Standards
- 3-Cyano-4-hydroxy-7-methoxyquinolin-6-yl acetate (CAS 855792-25-5)
- Ethyl 3-cyano-6-methyl-4-(trifluoromethyl)picolinate (CAS 1565827-82-8)
- Ethyl 2-(3-cyano-4-(trifluoromethyl)pyridin-2-yl)acetate (CAS 1609558-97-5)
- Ethyl 5-cyano-6-methyl-2-(trifluoromethyl)nicotinate (CAS 445-71-6)
- ethyl cyano[5-(trifluoromethyl)pyridin-2-yl]acetate (CAS 923148-75-8)
- Ethyl 2-cyano-2-(1-methyl-2-oxo-2,3-dihydro-1h-indol-3-yl)acetate (CAS 108272-71-5)
- 2-Cyano-3-[4-(morpholin-4-yl)phenyl]prop-2-enoic acid (CAS 1095913-20-4)
- 1-Cbz-3-cyano-4-Piperidone (CAS 916423-53-5)
Recommended Standards
- Ethyl 3-[2-(acetyloxy)ethoxy]-5-amino-4-isoxazolecarboxylate (CAS 303997-34-4)
- 3-CPs (CAS 20073-24-9)
- Dimethyl 7-cyanoindolizine-1,2-dicarboxylate (CAS 58747-63-0)
- 9-(Oxiran-2-yl)nonanoic acid (CAS 2443-41-6)
- Adenosine 5'-(Pentahydrogen tetraphosphate)DISCONTINUED (CAS 1062-98-2)
- Thymopentin acetate (CAS 89318-88-7)
- 2-((4-Chloropyrimidin-2-yl)amino)acetic acid (CAS 1159822-33-9)
- Roxatidine Impurity 31 (CAS CATO-C4X-121331)
- (<I>R</I>)-(+)-2-[2-(diphenylphosphine)phenyl]-4-isopropyl-2-oxazoline (CAS 164858-78-0)
- Calcium-Like Peptide 3 (CAS 261969-05-5)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com