5-Cyanothiophene-3-sulfonyl chloride CAS 1934889-28-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1934889-28-7 |
| Molecular Formula | C5H2ClNO2S2 |
| Molecular Weight | 207.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Cyanothiophene-3-sulfonyl chloride (CAS 1934889-28-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H2ClNO2S2. Molecular weight: 207.66 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H2ClNO2S2 |
| Molecular Weight | 207.66 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Cyanothiophene Standards
- 4-Cyanothiophene-3-sulfonyl chloride (CAS 112472-37-4)
- 5-cyanothiophene-2-sulfonyl chloride (CAS 1803598-97-1)
- 3-Cyanothiophene-2-sulfonamide (CAS 107142-12-1)
- 5-Cyanothiophene-2-sulfonamide (CAS 519055-65-3)
- 5-Cyanothiophene-3-sulfonamide (CAS 2657625-52-8)
- Ethyl 4-cyanothiophene-2-carboxylate (CAS 944901-15-9)
- Ethyl 5-cyanothiophene-2-carboxylate (CAS 67808-35-9)
- 5-Cyanothiophene-2-boronic Acid Pinacol Ester (CAS 676501-85-2)
Recommended Standards
- 1-(5-Chloro-6-methyl-1H-indol-3-yl)ethanone (CAS 1934636-97-1)
- 4-Chloro-N-cyclopropyl-1H-pyrrolo[2,3-b]pyridin-6-amine (CAS 1936130-10-7)
- 4-Chloro-1-(4-cyanophenyl)-1-oxobutane (CAS 188851-50-5)
- 3-Propylisonicotinic acid (CAS 1081787-87-2)
- 1-(6-(Hydroxymethyl)-5-methylpyrazin-2-yl)ethane-1,2-diol (CAS 130443-94-6)
- Procaine Impurity N2 (CAS 10367-96-1)
- 3-(4-Ethoxy-2-methoxyphenyl)propanoic acid (CAS 1399659-51-8)
- (R)-2-Allylpyrrolidine hydrochloride (CAS 197230-31-2)
- tert-Butyl 2-(tert-butyl)-4-oxopiperidine-1-carboxylate (CAS 362704-50-5)
- Insulin Degludec Impurity 2 (CAS CATO-C4X-21572)
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