3-(Thiophen-2-yl)-1H-pyrazole-5-carbohydrazide, 97% CAS 889992-74-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 889992-74-9 |
| Molecular Formula | C8H8N4OS |
| Molecular Weight | 208.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 3-(Thiophen-2-yl)-1H-pyrazole-5-carbohydrazide, 97% (CAS 889992-74-9) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C8H8N4OS. Molecular weight: 208.24 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C8H8N4OS |
| Molecular Weight | 208.24 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Thiophen Standards
- 5-(5-Methyl-thiophen-2-yl)-2H-pyrazole-3-carboxylic acid (CAS 1025010-00-7)
- 1-Methyl-3-(thiophen-2-yl)-1h-pyrazole-4-carboxylic acid (CAS 1152510-37-6)
- 1-(Thiophen-2-ylmethyl)-1H-pyrazole-4-carboxylic acid (CAS 1154881-88-5)
- 1-Methyl-3-(thiophen-3-yl)-1H-pyrazole-4-carboxylic acid (CAS 1248613-51-5)
- (3Z)-3-[(Thiophen-2-yl)methylidene]piperazine-2,5-dione (CAS 338416-12-9)
- 1-Methyl-3-(thiophen-2-yl)-1H-pyrazole-5-carboxylic acid (CAS 871825-56-8)
- 1-Methyl-5-(thiophen-2-yl)-1H-pyrazole-3-carboxylic acid (CAS 869901-15-5)
- 2-(3-(Thiophen-2-yl)-1H-pyrazol-1-yl)acetic acid (CAS 959582-96-8)
Recommended Standards
- 3-(methylsulfanyl)imidazo[1,5-a]pyridine-1-carboxylic acid (CAS 76259-06-8)
- 3-Amino-2-(phenylsulfonyl)acrylonitrile (CAS 68342-51-8)
- 3-(4-Amino-5-mercapto-4H-1,2,4-triazol-3-yl)phenol (CAS 223919-21-9)
- Fmoc-Arg(Pbf)-Pro-NHEt (CAS 1246940-88-4)
- n-(Pyridin-2-ylmethyl)cyclopropanamine (CAS 626210-44-4)
- n-(3-Hydroxypropyl)piperidine-4-carboxamide (CAS 91086-34-9)
- 3-((2-(4-Chlorophenyl)-2-oxoethyl)thio)-1-phenyl-6,7-dihydro-5H-cyclopenta[c]pyridine-4-carbonitrile (CAS 439108-56-2)
- 1-(4-(Piperidin-4-ylamino)piperidin-1-yl)ethan-1-one (CAS 1182959-17-6)
- Rel-(1R,2R)-2-(isopropylamino)cyclopentan-1-ol (CAS 81795-53-1)
- Tirzepatide Impurity 25 X TFA Salt (CAS CATO-C4X-324025)
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 13829788188 / jacky.chen@cato-chem.com