4-Chloro-5-isopropyl-5H-pyrrolo[3,2-d]pyrimidine CAS 919278-25-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 919278-25-4 |
| Molecular Formula | C9H10ClN3 |
| Molecular Weight | 195.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
4-Chloro-5-isopropyl-5H-pyrrolo[3,2-d]pyrimidine (CAS 919278-25-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H10ClN3. Molecular weight: 195.65 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H10ClN3 |
| Molecular Weight | 195.65 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 | 3 |
Recommended Standards
- 4-Chloro-2,6,8-trimethylimidazo[1,5-a]pyrimidine (CAS 88875-07-4)
- 4-Chloro-5-isopropylpyrrolo[2,1-f][1,2,4]triazine (CAS 888720-52-3)
- 4-(tert-Butyl)-2-chloropyrimidine-5-carbonitrile (CAS 2357143-11-2)
- 3,4,5-Tribromobenzaldehyde (CAS 102000-64-6)
- 2-(2,3-Dimethylphenoxy)propanoyl chloride (CAS 1114594-95-4)
- Methyl 5-chloro-2-{[(E)-4,4,4-trifluoro-1-methyl-3-oxo-1-butenyl]amino}benzenecarboxylate (CAS 1210908-67-0)
- 3-Nitro-1-tosyl-1H-1,2,4-triazole (CAS 77451-51-5)
- 2-[[2-[(E)-2-[8-(Bis(Carboxymethyl)Amino)-6-Fluoroquinolin-2-Yl]Ethenyl]Phenyl]-(Carboxymethyl)Amino]Acetic Acid (CAS 137550-81-3)
- Glipizide Impurity 25 (CAS CATO-C4X-140725)
- Semaglutide impurity 270 (CAS CATO-C4X-2226270)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com