1-Methyl-3,4-dinitro-1h-pyrazole CAS 66296-67-1
| CAS No. | 66296-67-1 |
| Molecular Formula | C4H4N4O4 |
| Molecular Weight | 172.10 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 1-Methyl-3,4-dinitro-1h-pyrazole.
1-Methyl-3,4-dinitro-1h-pyrazole (CAS 66296-67-1) is a high-purity analytical reference standard with the molecular formula C4H4N4O4 and a molecular weight of 172.10 g/mol.
Owing to a carbohydrate-derived structure, an amide group, 1-Methyl-3,4-dinitro-1h-pyrazole is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 172.10 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 1-Methyl-3,4-dinitro-1h-pyrazole 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 | C4H4N4O4 |
| Molecular Weight | 172.10 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1975 |
| Nitrogen Atoms | 4 |
Related Methyl Standards
- 4-Methyl-3,5-dinitro-1h-pyrazole (CAS 1246853-06-4)
- 1-Methyl-4,5-dinitro-1H-imidazole (CAS 19183-15-4)
- 1-Methyl-3,5-dinitro-1H-pyrazole (CAS 32683-48-0)
- 5-Methyl-3,4-dinitro-1h-pyrazole (CAS 38859-00-6)
- 201595-60-0 1,3-Dinitro(~13~C_6_)benzene DTXSID10583995 (CAS 201595-60-0)
- 3,6-Dinitro-pyridazine (CAS 439660-19-2)
- 3,4-dinitro-1H-pyrazole (CAS 38858-92-3)
- 2, 3-Dinitro-Pyridine-4-Amine (CAS 1805397-64-1)
Recommended Standards
- 1,2-Dihydro-1,2,4,5-tetrazine-3,6-dicarboxylic acid (CAS 3787-09-5)
- 2-(2,2,2-Trifluoroethoxy)propionic Acid (CAS 217806-37-6)
- 2-(5-Nitro-1H-1,2,4-triazol-3-yl)acetic acid (CAS 173167-32-3)
- 2-Amino-4,6-dihydroxy-5-nitropyrimidine (CAS 80466-56-4)
- 7-bromo-4-chloro-indan-1-one (CAS 149965-64-0)
- 2-((1,1-Dioxidotetrahydrothiophen-3-yl)amino)-2-oxoethyl 2-(1,3-dioxooctahydro-2H-isoindol-2-yl)acetate (CAS 1005057-81-7)
- tert-Butyl N-[4-(Aminomethyl)-1-benzylpiperidin-4-yl]carbamate (CAS 1392491-65-4)
- 3-[(2-chlorophenoxy)methyl]aniline,HCl (CAS 1431965-79-5)
- 5-Chloro-3-(thiophen-2-yl)benzoic acid (CAS 1261928-17-9)
- Ethyl 2-(1-benzylpyrrolidin-3-yl)-5-bromonicotinate 1706447-15-5 (CAS 1706447-15-5)
- 1-(2-Amino-3-ethylphenyl)-2-chloroethan-1-one (CAS 343791-43-5)
- N1-[4-Methyl-6-(pyrrolidin-1-yl)pyrimidin-2-yl]benzene-1,4-diamine (CAS 1706457-04-6)
- 3-[4-(2,5-Dimethoxy-phenyl)-5-mercapto-4H-[1,2,4]triazol-3-yl]-N,N-dimethyl-benzenesulfonamide (CAS 380437-00-3)
- (Des-His1,Glu?)-Glucagon (1-29) amide (human, rat, porcine) (CAS 110084-95-2)
Why CATO?
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