4,4'-(Propane-1,3-diylbis(oxy))bis(5-methoxy-2-nitrobenzoic acid) CAS 140658-45-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 140658-45-3 |
| Molecular Formula | C19H18N2O12 |
| Molecular Weight | 466.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,4'-(Propane-1,3-diylbis(oxy))bis(5-methoxy-2-nitrobenzoic acid) (CAS 140658-45-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C19H18N2O12. Molecular weight: 466.35 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C19H18N2O12 |
| Molecular Weight | 466.35 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 2 |
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- 6,6'-(Propane-2,2-diyl)bis(3-phenyl-3,4-dihydro-2H-benzo[e][1,3]oxazine) (CAS 154505-70-1)
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- 4,4'-(Propane-2,2-diyl)bis(2,6-bis((dimethylamino)methyl)phenol) (CAS 16224-36-5)
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Recommended Standards
- Mosapride Impurity 22 (CAS CATO-C4X-104422)
- 2-((5-(4-Bromophenyl)-1,3,4-oxadiazol-2-yl)thio)-N,N-diphenylacetamide (CAS 332161-53-2)
- Crizotinib impurity 25 (CAS CATO-C4X-102525)
- n-(3-Aminopropyl)-4-hydroxybenzamide hydrochloride (CAS 1240527-77-8)
- (3,4-Dimethylphenyl)(thiophen-2-yl)methanol (CAS 1248793-29-4)
- [D-Leu7]-Carbetocin (CAS CATO-C4X-191125)
- Tert-butyl 4-(6-amino-5-methylpyridin-3-yl)piperidine-1-carboxylate (CAS 1947415-48-6)
- 4-Chloro-3-((3-fluorobenzyl)oxy)thiophene-2-carboxylic acid (CAS 1707391-81-8)
- 3,6-Dichloroimidazo[1,2-a]pyridine-2-carboxylic acid (CAS 923249-11-0)
- Proinsulin C-Peptide (55-89) (human) (CAS 11097-48-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com