Phloroglucinol EP Impurity A CAS 87-66-1
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 87-66-1 |
| Molecular Formula | C6H6O3 |
| Molecular Weight | 126.11 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Phloroglucinol EP Impurity A (CAS 87-66-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H6O3. Molecular weight: 126.11 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H6O3 |
| Molecular Weight | 126.11 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Phloroglucinol Standards
- Phloroglucinol EP Impurity E (CAS 533-73-3)
- Phloroglucinol Anhydrous (CAS 108-73-6)
- Phloroglucinol Impurity 56 (CAS CATO-C4X-221756)
- Phloroglucinol-d3 (CAS 1036711-64-4)
- Phloroglucinol Impurity 31 (CAS 151-10-0)
- Phloroglucinol Impurity 28 (CAS 3934-97-2)
- Phloroglucinol Impurity 33 (CAS 824-46-4)
- Phloroglucinol Impurity 29 (CAS 2174-64-3)
Recommended Standards
- Glucosamine EP Impurity E (CAS 67-47-0)
- Zoledronic Acid Monohydrate EP Impurity D (CAS 22884-10-2)
- Methyl 2-Furancarboxylate (CAS 611-13-2)
- Ceftizoxime Open-ring Dimer Impurity 55 (CAS CATO-C4X-179355)
- Amphotericin B EP Impurity A (CAS 1405-32-9)
- 3-Chloro-n-(2-oxo-2,3-dihydro-1h-1,3-benzodiazol-5-yl)propanamide (CAS 915920-69-3)
- Methyl (2R)-azetidine-2-carboxylate (CAS 43041-13-0)
- Piracetam Impurity 6 (CAS 1096803-44-9)
- [(2-methylthieno[2,3-e][1,3]benzothiazol-5-yl)oxy]acetic acid (CAS 926211-05-4)
- D-β-Asp15-Tirzepatide (CAS CATO-CPTD788930)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com