5-chloro-3-iodo-2-methylpyrazolo[1,5-a]pyrimidine CAS 1263282-98-9
| CAS No. | 1263282-98-9 |
| Molecular Formula | C7H13ClIN3 |
| Molecular Weight | 301.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 5-chloro-3-iodo-2-methylpyrazolo[1,5-a]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.
5-chloro-3-iodo-2-methylpyrazolo[1,5-a]pyrimidine (CAS 1263282-98-9), molecular formula C7H13ClIN3 and molecular weight 301.56 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-chloro-3-iodo-2-methylpyrazolo[1,5-a]pyrimidine (C7H13ClIN3) contains a nitrile group, chlorine/iodine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 301.56 g/mol, it falls into the moderately-high-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C7H13ClIN3 |
| Molecular Weight | 301.56 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl/I-containing |
| Nitrogen Atoms | 3 |
Related chloro Standards
- 2-chloro-8-iodopyrido[4,3-d]pyrimidine (CAS 1562987-94-3)
- 5-Chloro-3-(2,4-dichlorophenyl)benzoic acid (CAS 1261911-18-5)
- 5-Chloro-3-(3,5-dichlorophenyl)benzoic acid (CAS 1261914-46-8)
- 5-Chloro-3-(2,3-dichlorophenyl)benzoic acid (CAS 1261981-24-1)
- 5-Chloro-3-(3,4-dichlorophenyl)benzoic acid (CAS 1261984-79-5)
- 2-Chloro-4-(2,4-dichlorophenoxy)benzaldehyde (CAS 1284098-16-3)
- 5-Chloro-3-(2,5-dichlorophenyl)benzoic acid (CAS 748801-92-5)
- 6-Chloro-5-iodo-2-(methylthio)pyrimidin-4-amine (CAS 500896-56-0)
Recommended Standards
- 1-(3-Bromo-4-fluorophenyl)ethane-1-sulfonyl chloride (CAS 1249271-79-1)
- 1-(5-bromofuran-2-yl)-2-(2-chlorophenyl)ethan-1-ol (CAS 1341618-64-1)
- 2-(2-Bromo-5-fluorophenyl)ethanesulfonyl chloride (CAS 1033629-70-7)
- 4-Phenyl-2-(trichloromethyl)pyrimidine-5-carbaldehyde (CAS 143034-51-9)
- 1-Cyanocyclopropanecarboxamide (CAS 1559-04-2)
- 2-(3,5,6-Trifluoropyridin-2-yl)acetic acid (CAS 1119450-11-1)
- 1-(7-Fluoroquinolin-6-yl)ethanone (CAS 1635407-21-4)
- Diethyl 1,4-Phenylenediacrylate (CAS 23746-57-8)
- (R)-3-Amino-4-(2-cyanophenyl)butanoic acid hydrochloride (CAS 332061-85-5)
- (S)-2-(2,4,6-Trimethylbenzyl)piperazine (CAS 1240583-03-2)
- 4-Bromo-5-fluoro-2-iodobenzaldehyde (CAS 1379347-43-9)
- 5-[(4-Methoxyphenyl)sulfanyl]-1-methyl-3-phenyl-1H-pyrazole-4-carbaldehyde (CAS 321998-19-0)
- 2,4-Dichloroquinolin-5-amine (CAS 2091462-77-8)
- Myristoyl Pentapeptide-4 (CAS 1392416-25-9)
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 18665070610 / Nicole.chen@cato-chem.com