4-Hydrazinyl-5-methylthieno[2,3-d]pyrimidine CAS 19786-56-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 19786-56-2 |
| Molecular Formula | C7H8N4S |
| Molecular Weight | 180.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Hydrazinyl-5-methylthieno[2,3-d]pyrimidine (CAS 19786-56-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H8N4S. Molecular weight: 180.23 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C7H8N4S |
| Molecular Weight | 180.23 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Hydrazinyl Standards
- 4-Hydrazinyl-6-methylthieno[2,3-d]pyrimidine (CAS 439692-69-0)
- 2-hydrazinyl-5,6,7,8-tetrahydroquinazolin-4-ol (CAS 118802-45-2)
- 6-Hydrazinyl-N,N-dimethylpyridine-3-carboxamide (CAS 1250530-19-8)
- 5-Hydrazinyl-2-(2-methylpropyl)-1,3-oxazole-4-carbonitrile (CAS 890013-64-6)
- 4-Hydrazinyl-4-(pyridin-4-yl)butan-1-amine (CAS 904814-11-5)
- Methyl 3-hydrazinyl-2-methylbenzoate (CAS 1388057-36-0)
- Methyl 5-hydrazinyl-2-methylbenzoate (CAS 1388077-61-9)
- MEthyl 3-hydrazinyl-4-methylbenzoate (CAS 832075-29-3)
Recommended Standards
- [5-(thiophen-2-yl)-1H-pyrazol-4-yl]methanol (CAS 194546-14-0)
- (3-(Thiophen-2-yl)-1H-pyrazol-5-yl)methanol (CAS 852228-02-5)
- 1-(Benzo[c][1,2,5]thiadiazol-5-yl)ethan-1-ol (CAS 1884155-72-9)
- 2-((5-(2-Hydroxyphenyl)-1,3,4-oxadiazol-2-yl)thio)-N-(4-methyl-3-nitrophenyl)acetamide (CAS 336180-25-7)
- Methyl 3-(3-carbamoyl-4-(3-methoxyphenylamino)-8-methylquinolin-6-ylsulfonyl)benzoate (CAS 801311-24-0)
- 5-chloro-3-nitro-1H-pyrazolo[3,4-c]pyridine (CAS 245325-31-9)
- 2-Chloro-5-(trifluoromethyl)benzene-1-sulfonamide (CAS 779-71-5)
- Bis(1-ethyl-3-methylcyclopentadienyl)zirconiumdichloride (CAS 73364-11-1)
- L-Lysyl-L-methionine--formic acid (1/1) (CAS 103404-63-3)
- Semaglutide impurity 78 (CAS CATO-C4X-222678)
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