4,4'-Dimethyl-[1,1'-biphenyl]-3,3'-disulfonic acid CAS 57277-26-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 57277-26-6 |
| Molecular Formula | C14H14O6S2 |
| Molecular Weight | 342.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4,4'-Dimethyl-[1,1'-biphenyl]-3,3'-disulfonic acid (CAS 57277-26-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C14H14O6S2. Molecular weight: 342.39 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C14H14O6S2 |
| Molecular Weight | 342.39 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Sulfur Atoms | 2 |
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Recommended Standards
- 4,4'-(Naphthalene-1,4-diylbis(oxy))dianiline (CAS 211446-29-6)
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- 4,4'-(Naphthalene-1,3-diylbis(oxy))dianiline (CAS 328914-58-5)
- (4-(Aminomethyl)piperidin-1-yl)(pyridin-4-yl)methanone (CAS 1247536-10-2)
- Schizandrin B (CAS 61281-37-6)
- (3-(2-Chlorophenyl)-5-methylisoxazol-4-yl)(morpholino)methanone (CAS 312590-47-9)
- 109957-97-3 2-Chloro-1-fluoro-3-(trifluoromethyl)benzene DTXSID50597490 (CAS 109957-97-3)
- Tert-butyl ((1-(cyclobutanecarbonyl)piperidin-4-yl)methyl)carbamate (CAS 1286274-45-0)
- Methyl7-(2-fluoro-4-iodo-anilino)-8-methyl-imidazo[1,2-a]pyridine-6-carboxylate (CAS 2306264-81-1)
- Tirzepatide Impurity 12 (CAS CATO-C4X-324012)
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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