4,4'-((Propane-2,2-diylbis(4,1-phenylene))bis(oxy))diphthalic acid CAS 38103-05-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 38103-05-8 |
| Molecular Formula | C31H24O10 |
| Molecular Weight | 556.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4,4'-((Propane-2,2-diylbis(4,1-phenylene))bis(oxy))diphthalic acid (CAS 38103-05-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C31H24O10. Molecular weight: 556.52 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C31H24O10 |
| Molecular Weight | 556.52 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) | 20.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
Related Propane Standards
- Propane-1,2-diyl dipalmitate (CAS 33587-20-1)
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- 5,5'-((Propane-2,2-diylbis(4,1-phenylene))bis(oxy))bis(2-methylisoindoline-1,3-dione) (CAS 54395-52-7)
- ((((Propane-2,2-diylbis(4,1-phenylene))bis(oxy))bis(ethane-2,1-diyl))bis(oxy))bis(ethane-2,1-diyl) bis(2-methylacrylate) (CAS 56744-60-6)
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- 4,4'-(Propane-1,3-diyl)diphenol (CAS 2549-50-0)
- Propane-1,2,3-triyl tris(3-oxodecanoate) (CAS 94236-90-5)
- Propane-1,2,3-triyl tris(3-oxooctanoate) (CAS 68444-14-4)
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- 4,6-Dichloro-2-methyl-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridine (CAS 1227268-69-0)
- 2,2'-((4-Carboxy-1,2-phenylene)bis(oxy))diacetic acid (CAS 19565-57-2)
- 4-(5-(Chloromethyl)-1,2,4-oxadiazol-3-yl)-N-methylbenzamide (CAS 1119452-69-5)
- (R)-1-(4-Chlorophenyl)propan-1-amine hydrochloride (CAS 1448902-18-8)
- Ethyl 12-hydroxystearate (CAS 82807-36-1)
- Tirzepatide Impurity 23 X TFA Salt (CAS CATO-C4X-324023)
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