7-Chloro-5-methylpyrazolo[1,5-a]pyrimidine CAS 16082-27-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 16082-27-2 |
| Molecular Formula | C7H6ClN3 |
| Molecular Weight | 167.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-Chloro-5-methylpyrazolo[1,5-a]pyrimidine (CAS 16082-27-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H6ClN3. Molecular weight: 167.60 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H6ClN3 |
| Molecular Weight | 167.60 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 4-Chloro-1H-pyrrolo[2,3-b]pyridin-3-amine (CAS 1000340-38-4)
- 6-Chloro-1H-pyrrolo[2,3-b]pyridin-4-amine (CAS 1000340-80-6)
- 5-Chloro-1H-pyrrolo[3,2-b]pyridin-7-amine (CAS 1000577-90-1)
- 5-Chloro-1H-indazol-6-amine (CAS 100960-35-8)
- 3-chloro-6-methyl-[1,2,4]triazolo[4,3-a]pyridine (CAS 1020036-37-6)
- 7-Chloro-1H-benzo[d]imidazol-5-amine (CAS 10597-54-3)
- 6-Chloro-1H-benzo[d]imidazol-4-amine (CAS 10597-55-4)
- 2-Chloro-7-methyl-7H-pyrrolo[2,3-d]pyrimidine (CAS 1060816-67-2)
Recommended Standards
- 2-chloro-5-methyl-[1,2,4]triazolo[1,5-a]pyridine (CAS 1558140-29-6)
- 2-Chloro-4,6-dimethylpyrimidine-5-carbonitrile (CAS 1609291-11-3)
- 1-Chloroimidazo[1,5-a]pyridin-7-amine (CAS 1556312-61-8)
- 7-Methyl-4H,5H-thieno[2,3-c]pyridine (CAS 859486-70-7)
- (8-(Trifluoromethoxy)naphthalen-2-yl)boronic acid (CAS 870822-76-7)
- 2-(4-Ethylphenyl)-6,8-dimethylquinoline-4-carboxylic acid (CAS 438229-21-1)
- tert-Butyl (3aR,6aR)-2-(iodomethyl)hexahydro-5H-furo[2,3-c]pyrrole-5-carboxylate (CAS 1445949-63-2)
- 2-(2-((4-Ethoxyphenyl)amino)vinyl)-1,3,3-trimethyl-3H-indol-1-ium acetate (CAS 72252-43-8)
- (2,2-Dimethyl-2H-chromen-6-yl)methanamine (CAS 771580-46-2)
- Semaglutide Impurity 188 (CAS CATO-C4X-2226188)
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