5-Chloro-1-methyl-1H-pyrazole CAS 42110-76-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 42110-76-9 |
| Molecular Formula | C4H5ClN2 |
| Molecular Weight | 116.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Chloro-1-methyl-1H-pyrazole (CAS 42110-76-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C4H5ClN2. Molecular weight: 116.55 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C4H5ClN2 |
| Molecular Weight | 116.55 g/mol |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1969 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 1092682-87-5 4-CHLORO-3-METHYL-1H-PYRAZOLE SC-32661 (CAS 1092682-87-5)
- 3-Chloro-4-methyl-1H-pyrazole (CAS 134589-56-3)
- 4-Chloro-3-methyl-1H-pyrazole (CAS 15878-08-7)
- 5-Chloro-3-methyl-1H-pyrazole (CAS 15953-45-4)
- 4-Chloro-2-methyl-1H-imidazole (CAS 16265-06-8)
- 2-Chloro-5-methyl-1h-imidazole (CAS 909086-61-9)
- 3-Chloro-1-methyl-1H-pyrazole (CAS 63425-54-7)
- 4-Chloro-1-methylpyrazole (CAS 35852-81-4)
Recommended Standards
- 5-Chloro-1-methylimidazole (CAS 872-49-1)
- 3-Chlorocyclopent-2-en-1-one (CAS 53102-14-0)
- Pent-4-ynoyl chloride (CAS 55183-44-3)
- 2-((1S,3s)-3-fluorocyclobutyl)-1H-imidazole (CAS 2227198-00-5)
- 7-Fluoro-1-methyl-1,2,3,4-tetrahydroisoquinoline hydrochloride (CAS 1311317-68-6)
- Methyl 2-methoxy-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)nicotinate (CAS 1246765-27-4)
- 4,4-Dimethyl-2-(2-methylbenzoyl)-1-phenylpyrazolidin-3-one (CAS 866155-36-4)
- Okanin (CAS 484-76-4)
- N-Methyl-2-(3-(5-phenyl-1,3,4-oxadiazol-2-yl)-1H-indol-1-yl)acetamide (CAS 1021106-32-0)
- Des-Gly29,30-Tirzepatide (CAS CATO-CPTD788944)
Why CATO?
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