Imidazo[5,1-b]thiazole CAS 251-89-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 251-89-8 |
| Molecular Formula | C5H4N2S |
| Molecular Weight | 124.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Imidazo[5,1-b]thiazole (CAS 251-89-8) pharmaceutical standards reference standard. Molecular formula: C5H4N2S. Molecular weight: 124.16 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C5H4N2S |
| Molecular Weight | 124.16 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 |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Imidazo Standards
- Imidazo[2,1-b][1,3]thiazole (CAS 251-97-8)
- 6H-Imidazo[4,5-d]thiazole (CAS 25336-15-6)
- Imidazo[1,2-d][1,2,4]thiadiazole (CAS 251-99-0)
- 1H-Imidazo[1,2-b]pyrazol-7-amine (CAS 227611-50-9)
- 2H-Imidazo[5,1-b][1,3]oxazine (CAS 55450-95-8)
- imidazo[1,5-a]pyridine (CAS 274-47-5)
- imidazo[1,5-b]pyridazine (CAS 51741-28-7)
- imidazo[1,5-c]pyrimidine (CAS 274-48-6)
Recommended Standards
- N,N'-Dimethyl-Sulfamide (CAS 22504-72-9)
- ethanesulfonohydrazide (CAS 37984-88-6)
- 1-propanesulfonic acid 5284-66-2 InChI=1/C3H8O3S/c1-2-3-7(4,5)6/h2-3H2,1H3,(H,4,5,6 propane-1-sulfonic acid (CAS 5284-66-2)
- Chrysin (CAS 480-40-0)
- 1-(5-Methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)-1H-imidazole-4-carboxylic acid (CAS 1281990-08-6)
- Prothiocarb hydrochloride (CAS 19622-19-6)
- Butyl N-(Chlorosulfenyl)-N-methylcarbamate (CAS 64831-38-5)
- 5-(2,5-Dimethylphenyl)-1,3,4-oxadiazol-2-amine (CAS 1016739-03-9)
- 384346-85-4 N-Fmoc-4,6-benzylidene-2'3'4'6'-tetra-O-acetyl T Epitope, Threonyl Allyl Ester N-Fmoc-O-[2-acetamido-4,6-O-benzylidene-2-deoxy-3-O-(2,3,4,6-tetra-O-acetyl-|A-D-galactopyranosyl)-|A-D-galactopyranosyl]-L-threonine Allyl Ester (CAS 384346-85-4)
- Semaglutide impurity 198 (CAS CATO-C4X-2226198)
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