5,5'-(Ethyne-1,2-diyl)diisophthalaldehyde CAS 2237965-02-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2237965-02-3 |
| Molecular Formula | C18H10O4 |
| Molecular Weight | 290.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,5'-(Ethyne-1,2-diyl)diisophthalaldehyde (CAS 2237965-02-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C18H10O4. Molecular weight: 290.27 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C18H10O4 |
| Molecular Weight | 290.27 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
Related Ethyne Standards
- 5,5'-(Ethyne-1,2-diyl)dinicotinic acid (CAS 2594907-89-6)
- 3,3'-(Ethyne-1,2-diyl)dibenzoic acid (CAS 75077-81-5)
- 4,4'-(Ethyne-1,2-diyl)bis(2-hydroxybenzaldehyde) (CAS 791068-96-7)
- (Ethyne-1,2-diylbis(4,1-phenylene))diboronic acid (CAS 915772-85-9)
- 4,4'-(Ethyne-1,2-diyl)bis(N,N-dimethylaniline) (CAS 62063-67-6)
- 1,1'-(6,6'-(Ethyne-1,2-diyl)bis(pyridine-6,2-diyl))diethanone (CAS 874379-29-0)
- 1,1'-(Ethyne-1,2-diylbis(4,1-phenylene))bis(ethan-1-one) (CAS 29619-42-9)
- 4,4'-(Ethyne-1,2-diyl)diphthalic Anhydride (purified by sublimation) (CAS 129808-00-0)
Recommended Standards
- 5-((2-Ethoxy-4-formylphenoxy)methyl)furan-2-carboxylic acid (CAS 713505-46-5)
- 5-Methoxy-N,N-dimethyl-4-(3-nitrophenoxy)pyrimidin-2-amine (CAS 400084-05-1)
- 4-Nitrophenyl 3-ethyl-4-methyl-2-oxo-2,5-dihydro-1H-pyrrole-1-carboxylate (CAS 561052-28-6)
- 4-Cyclopropoxy-2-methylbenzenesulfonamide (CAS 1243404-20-7)
- 7-Nitro-1H-benzo[d]imidazol-6-amine (CAS 883291-34-7)
- 5-Bromo-2-(dimethoxymethyl)-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridine (CAS 1261365-83-6)
- 5-(Naphthalen-2-yl)-1H-pyrrole-3-carbonitrile (CAS 1240949-41-0)
- 3-(3-Chlorobut-2-en-1-yl)-2,6-dimethylquinoline-4-thiol (CAS 61640-14-0)
- (Z)-tert-Butyl 2-(((1-(2-aminothiazol-4-yl)-2-ethoxy-2-oxoethylidene)amino)oxy)-2-methylpropanoate (CAS 86299-46-9)
- Tirzepatide Impurity 61 (CAS CATO-C4X-324061)
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