4-Bromo-1h-imidazole-5-sulfonyl chloride CAS 99903-04-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 99903-04-5 |
| Molecular Formula | C3H2BrClN2O2S |
| Molecular Weight | 245.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-1h-imidazole-5-sulfonyl chloride (CAS 99903-04-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C3H2BrClN2O2S. Molecular weight: 245.48 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C3H2BrClN2O2S |
| Molecular Weight | 245.48 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 4-Bromo-1H-pyrazole-1-sulfonyl chloride (CAS 1172073-75-4)
- 6-BROMO-4-CHLOROPTERIDINE (CAS 1260787-67-4)
- 4-Bromo-6-chloro-2H-benzo[d]imidazol-2-one (CAS 1701789-84-5)
- 4-Bromo-6-cyanopicolinoyl chloride (CAS 1804404-92-9)
- 3-Bromo-5-chloro-6-methyl-1H-pyrrolo[2,3-b]pyridine (CAS 1000340-17-9)
- 6-Bromo-3-chloro-5-methyl-1H-indazole (CAS 1000342-45-9)
- 3-Bromo-5-chloro-7-methyl-1H-pyrrolo[3,2-b]pyridine (CAS 1190310-89-4)
- 5-bromo-3-chloro-4-methyl-1H-Pyrrolo[2,3-b]pyridine (CAS 1190314-14-7)
Recommended Standards
- 3-Bromofuran-2-sulfonyl chloride (CAS 930111-08-3)
- N,N′,N′′-Tri-tert-butylsilanetriamine (CAS 205503-61-3)
- 5-Bromofuran-2-sulfonyl chloride (CAS 1421601-06-0)
- N-(1-(2-Aminoethyl)pyrrolidin-3-yl)acetamide (CAS 477576-35-5)
- 2-Benzyl-2,5-diazabicyclo[2.2.1]heptane (CAS 114086-14-5)
- 4-(2-(Azepan-1-yl)-2-oxoethoxy)benzaldehyde (CAS 767630-86-4)
- 2-Propenoic acid, polymer with ethenyl acetate (CAS 24980-58-3)
- 6-(Benzyloxy)-3-bromo-2-fluoropyridine (CAS 1881291-08-2)
- 0522AD 1185303-92-7 C14H24Cl2N2O {2-[2-(Piperidin-1-ylmethyl)phenoxy]ethyl}amine dihydrochloride (CAS 1185303-92-7)
- Peptide Impurity 82 (CAS 10491-78-8)
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