7-Chloro-2-isopropyl-2H-pyrazolo[4,3-d]pyrimidine CAS 923283-07-2
| CAS No. | 923283-07-2 |
| Molecular Formula | C8H9ClN4 |
| Molecular Weight | 196.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 7-Chloro-2-isopropyl-2H-pyrazolo[4,3-d]pyrimidine.
CATO supplies 7-Chloro-2-isopropyl-2H-pyrazolo[4,3-d]pyrimidine (CAS 923283-07-2), a certified reference material (molecular formula C8H9ClN4, MW 196.64 g/mol) for analytical method development and quality control.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution, 7-Chloro-2-isopropyl-2H-pyrazolo[4,3-d]pyrimidine is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 196.64 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 7-Chloro-2-isopropyl-2H-pyrazolo[4,3-d]pyrimidine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H9ClN4 |
| Molecular Weight | 196.64 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.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Chloro Standards
- 7-Chloro-1-ethyl-3-methyl-1H-pyrazolo[4,3-d]pyrimidine (CAS 1092292-97-1)
- 6-Chloro-3-isopropyl-[1,2,4]triazolo[4,3-a]pyrazine (CAS 1097875-54-1)
- 7-Chloro-6-ethyl-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 117713-49-2)
- 4-Chloro-1-ethyl-6-methyl-1h-pyrazolo[3,4-d]pyrimidine (CAS 1247086-85-6)
- 5-Chloro-3-ethyl-3H-imidazo[4,5-b]pyridin-2-amine (CAS 1311369-45-5)
- 4-Chloro-1-ethyl-1H-pyrazolo[3,4-b]pyridin-5-amine (CAS 1363405-03-1)
- 2-Chloro-N,N-dimethyl-5H-pyrrolo[3,2-d]pyrimidin-4-amine (CAS 1375301-46-4)
- 7-Chloro-5-ethyl-2-methyl-2H-pyrazolo[4,3-d]pyrimidine (CAS 1394024-12-4)
Recommended Standards
- 7-Chloro-2-ethyl-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 28565-42-6)
- 7-Chloro-5-isopropyl-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 926259-65-6)
- 7-Chloro-1-isopropyl-1H-pyrazolo[4,3-d]pyrimidine (CAS 923283-49-2)
- 7-chloro-5-isopropyl-1H-pyrazolo[4,3-d]pyrimidine (CAS 2839502-41-7)
- 1-([1,1'-Biphenyl]-4-yl)-3-((2,3,4,5,6-pentamethylbenzyl)thio)propan-1-one (CAS 882749-11-3)
- (2-Acetylfuran-3,4-diyl)bis(methylene) diacetate (CAS 78503-06-7)
- Benzyl (2S,5R)-2,5-dimethylpiperidine-1-carboxylate (CAS 1404312-17-9)
- Empagliflozin impurity 251 (CAS CATO-C4X-1065251)
- Methyl 4-(2-amino-2-oxoethyl)benzoate (CAS 52787-16-3)
- 2-(3-(tert-Butoxycarbonyl)azetidin-1-yl)acetic acid (CAS 1824200-79-4)
- Methyl (2S,4S)-4-(2,4-difluorophenoxy)-2-pyrrolidinecarboxylate (CAS 1217655-31-6)
- 1-[(2-Fluorophenyl)methyl]-3-(1-methyl-2-oxo-5-phenyl-2,3-dihydro-1H-1,4-benzodiazepin-3-yl)urea (CAS 1796898-53-7)
- N1-(but-3-en-1-yl)-N2,N2-dimethylethane-1,2-diamine (CAS 1339341-40-0)
- Semaglutide impurity 46 (CAS CATO-C4X-222646)
Why CATO?
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