4-chloro-1H-pyrazolo[3,4-d]pyrimidine-3-carbonitrile CAS 1004991-91-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1004991-91-6 |
| Molecular Formula | C6H2ClN5 |
| Molecular Weight | 179.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-chloro-1H-pyrazolo[3,4-d]pyrimidine-3-carbonitrile (CAS 1004991-91-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H2ClN5. Molecular weight: 179.57 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H2ClN5 |
| Molecular Weight | 179.57 g/mol |
| Appearance | Pale yellow to 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
Related chloro Standards
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- (Z)-4-Chloro-2-(methoxyimino)-3-oxobutanoic acid (CAS 111230-59-2)
- 4-Chloro-3,5-difluoro-pyridine-2,6-diamine (CAS 1112987-16-2)
- 4-Chloro-6-(difluoromethyl)pyrimidin-5-amine (CAS 1706449-38-8)
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Recommended Standards
- 25084-14-4 A817634 N-[bis(2-chloroethyl)aminomethyl]-4-methyl-benzamide N-[bis(2-chloroethyl)aminomethyl]-4-methylbenzamide (CAS 25084-14-4)
- 2H-Pyrazolo[4,3-d]pyrimidine-3-carbonitrile, 5-chloro- (CAS 2092193-29-6)
- 3-Amino-5-chloropyrazine-2,6-dicarbonitrile (CAS 40559-88-4)
- 1,4-Bis(2-(4-methoxyphenyl)-2-oxoethyl)-1H-1,2,4-triazol-4-ium bromide (CAS 161713-98-0)
- 2-Methyl-2,4-Pentanediol (CAS 107-41-5)
- 2,4-Dichloro-6-methylphenacyl chloride (CAS 1803836-75-0)
- 5-(Thiophen-2-yl)-4-(1H-1,2,4-triazol-1-yl)cyclohexane-1,3-dione (CAS 439097-21-9)
- 5-(Dimethylamino)-1-naphthoic acid (CAS 86042-10-6)
- Estrone Impurity 11 (CAS CATO-C4X-210511)
- Neuropeptide S (human) (CAS 412938-67-1)
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