2,5-Dimethyl-3-thioxo-2,3-dihydro-1H-pyrazole-4-carbonitrile CAS 754930-66-0
| CAS No. | 754930-66-0 |
| Molecular Formula | C6H7N3S |
| Molecular Weight | 153.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2,5-Dimethyl-3-thioxo-2,3-dihydro-1H-pyrazole-4-carbonitrile meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
CATO supplies 2,5-Dimethyl-3-thioxo-2,3-dihydro-1H-pyrazole-4-carbonitrile (CAS 754930-66-0), a certified reference material (molecular formula C6H7N3S, MW 153.20 g/mol) for analytical method development and quality control.
2,5-Dimethyl-3-thioxo-2,3-dihydro-1H-pyrazole-4-carbonitrile (C6H7N3S) contains a nitrile group, sulfur-containing functionality, an aromatic ring system. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C6H7N3S |
| Molecular Weight | 153.20 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Dimethyl Standards
- 3,5-Dimethyl-1H-pyrazole-1-carboximidhydrazide (CAS 740056-17-1)
- n-[1-(1,5-dimethyl-1h-pyrazol-4-yl)ethylidene]hydroxylamine (CAS 1019067-48-1)
- (E)-4,4-dimethyl-2-(prop-1-enyl)oxazol-5(4H)-one (CAS 125376-15-0)
- 1,5-Dimethyl-1H-pyrrole-2-carbohydrazide (CAS 133662-25-6)
- 1,3-dimethyl-1H,4H,5H,6H-pyrazolo[3,4-b][1,4]oxazine (CAS 1384430-50-5)
- 1-Acetyl-5,5-dimethyl-1H-pyrrol-2(5H)-one (CAS 143359-79-9)
- Methyl 1,4-dimethyl-1H-pyrrole-3-carboxylate (CAS 1810712-27-6)
- 1,3-Dimethyl-4-((methylamino)methylene)-1H-pyrazol-5(4H)-one (CAS 41106-20-1)
Recommended Standards
- 2-(Methylthio)nicotinaldehyde (CAS 62658-92-8)
- 2-[(furan-2-ylmethyl)sulfanyl]acetonitrile (CAS 86251-29-8)
- 2-(dimethylamino)ethane-1-sulfonic acid (CAS 637-95-6)
- 2-Amino-2-methylpropane-1-sulfonic acid (CAS 86311-35-5)
- N-Methoxy-N,2-dimethylisonicotinamide (CAS 1211580-90-3)
- 4-Amino-6-(difluoromethyl)-5-methylpyridine-2-sulfonyl chloride (CAS 1805145-09-8)
- Boc-β-HoGln-OH (CAS 336182-06-0)
- 5-Aminoimidazo[1,2-a]pyridine-3-carboxylic acid (CAS 1557342-69-4)
- N-cyclopentyl-2-(piperazin-1-yl)acetamide (CAS 946744-47-4)
- (E)-N-(3-Cyanophenyl)-N'-methyl-3-(trifluoromethyl)benzene-1-carboximidamide (CAS 339028-23-8)
- (3-(Aminomethyl)piperidin-1-yl)(p-tolyl)methanone (CAS 1018307-63-5)
- 2-(2-Fluorophenyl)-4-methyl-1H-imidazole-5-carboxylic acid (CAS 1083318-28-8)
- 6-bromo-4-fluoro-3H-1,3-benzoxazol-2-one (CAS 1780002-65-4)
- Insulin Degludec Impurity 1 (CAS 843666-26-2)
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