1,3-Benzenedicarboxylic acid, polymer with 1,4-cyclohexanedimethanol and 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid CAS 56899-77-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 56899-77-5 |
| Molecular Formula | C9H4O5 C8H6O4 C8H16O2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,3-Benzenedicarboxylic acid, polymer with 1,4-cyclohexanedimethanol and 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid (CAS 56899-77-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H4O5 C8H6O4 C8H16O2. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H4O5 C8H6O4 C8H16O2 |
| Molecular Weight | 502.47 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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 |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
Related Benzenedicarboxylic Standards
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- 1,3-Benzenedicarboxylic acid, polymer with 1,4-diethyl 2-sulfobutanedioate sodium salt , 1,2-ethanediol and 2,2'-oxybis[ethanol] (CAS 102616-55-7)
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- 1,3-Benzenedicarboxylic acid, polymer with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and 2,2,4-trimethyl-1,3-pentanediol (CAS 106906-27-8)
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- 1,3-Benzenedicarboxylic acid, polymer with 5-amino-1,3,3-trimethylcyclohexanemethanamine and 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, nonanoate (ester), zinc salt (CAS 109961-43-5)
- 1,2-Benzenedicarboxylic acid, heptyl nonyl ester, branched and linear (CAS 111381-89-6)
- 1,2-Benzenedicarboxylic acid, heptyl undecyl ester, branched and linear (CAS 111381-90-9)
Recommended Standards
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- 2-((1-Benzyl-1H-pyrrolo[3,2-c]pyridin-4-yl)thio)acetic acid (CAS 1244855-36-4)
- 4-Chloro-7-iodo-3-methylthieno[3,2-c]pyridine (CAS 1211581-44-0)
- (6-Amino-5-(difluoromethyl)-3-methoxypyridin-2-yl)methanol (CAS 1806890-56-1)
- 5-(Chloromethyl)-1-(2,2,2-trifluoroethyl)-1H-pyrazole (CAS 1281984-44-8)
- 3-(P-tolyl)benzo[c]isoxazole-5-carbaldehyde (CAS 328547-38-2)
- Tau Peptide (295-309) trifluoroacetate salt (CAS 330456-46-7)
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