Freon #142b CAS 75-68-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 75-68-3 |
| Molecular Formula | C2H3ClF2 |
| Molecular Weight | 100.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Freon #142b (CAS 75-68-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C2H3ClF2. Molecular weight: 100.50 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C2H3ClF2 |
| Molecular Weight | 100.50 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F/Cl-containing |
Related Freon Standards
Recommended Standards
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- Gallium Phosphide (CAS 12063-98-8)
- 1-Chloro-1,2-Difluoroethane (CAS 338-64-7)
- 1-(5,6-Dimethoxy-1H-indol-3-yl)ethan-1-one (CAS 1269920-07-1)
- Z-HoArg-OH (CAS 1313054-55-5)
- 5-(3,5-Dimethyl-1H-pyrazol-1-yl)-2-(propan-2-yl)pyrimidine-4-carboxylic acid (CAS 1283678-39-6)
- Guanidine xphosphate (CAS 1763-07-1)
- 3-Benzyl-1,3-dihydroxy-3,4-dihydro-2(1H)-quinolinone (CAS 1353497-41-2)
- N-Methyl-3-(3-(trifluoromethoxy)phenyl)imidazo[1,2-a]pyrazin-8-amine (CAS 787591-06-4)
- Semaglutide impurity 51 (CAS CATO-C4X-222651)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com