4-Chloro-1-methyl-1h-pyrazole-3-carbonitrile CAS 175204-86-1
| CAS No. | 175204-86-1 |
| Molecular Formula | C5H4ClN3 |
| Molecular Weight | 141.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 141.56 g/mol gives 4-Chloro-1-methyl-1h-pyrazole-3-carbonitrile distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 4-Chloro-1-methyl-1h-pyrazole-3-carbonitrile (CAS 175204-86-1), a certified reference material (molecular formula C5H4ClN3, MW 141.56 g/mol) for analytical method development and quality control.
Based on its molecular formula C5H4ClN3, 4-Chloro-1-methyl-1h-pyrazole-3-carbonitrile contains a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 141.56 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 4-Chloro-1-methyl-1h-pyrazole-3-carbonitrile 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 | C5H4ClN3 |
| Molecular Weight | 141.56 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) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2007 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 5-chloro-1-methylpyrazole-4-carbonitrile (CAS 111493-52-8)
- 2-(4-Chloro-1H-pyrazol-1-yl)acetonitrile (CAS 113336-23-5)
- 4-Chloro-3-pyridinecarboxaldehyde (CAS 114077-82-6)
- 2-(4-Chloro-1H-pyrazol-3-yl)acetonitrile (CAS 1708160-38-6)
- 2-Chloro-3-pyridinecarboxaldehyde (CAS 36404-88-3)
- 3-Chloro-2-pyridinecarbaldehyde (CAS 206181-90-0)
- 4-Chloro-2-pyridinecarboxaldehyde (CAS 63071-13-6)
- 5-Chloro-1-methyl-1H-imidazole-2-carbonitrile (CAS 36941-61-4)
Recommended Standards
- 2-(5-Chlorofuran-2-yl)acetonitrile (CAS 1936457-37-2)
- Isonicotinoyl chloride (CAS 14254-57-0)
- 2-(1-amino-2-chloroethylidene)malononitrile (CAS 118645-77-5)
- 3-Chloroisonicotinaldehyde (CAS 72990-37-5)
- N-(2-(Indolin-1-yl)-2-oxoethyl)-N-methylglycine (CAS 1153236-88-4)
- 8-(Cyclopropylmethyl)-3-methyl-8-azabicyclo[3.2.1]Octan-3-ol (CAS 1211724-83-2)
- Ethyl 5-(trifluoromethyl)picolinate (CAS 128072-94-6)
- Ethyl 2-(2,5-dichlorothiophen-3-yl)acetate (CAS 37784-66-0)
- (2h-Indazol-3-yl)(piperazin-1-yl)methanone (CAS 1019113-96-2)
- 2-(2-Acetyl-5-methoxyphenyl)acetic acid (CAS 336129-87-4)
- 2-Fluoro-6-(4-methylpiperazin-1-yl)aniline (CAS 1179276-91-5)
- 4,5-Dimethoxy-2-(2,2,2-trifluoroacetyl)benzoic acid (CAS 2654746-66-2)
- 3-(3-(Trifluoromethyl)phenyl)-1,2,4-oxadiazol-5(2H)-one (CAS 259271-22-2)
- [Tyr0] Fibrinopeptide A, human (CAS 103226-11-5)
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