1,2-Bis(3,4-dimethoxyphenyl)ethane-1,2-dione CAS 554-34-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 554-34-7 |
| Molecular Formula | C18H18O6 |
| Molecular Weight | 330.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,2-Bis(3,4-dimethoxyphenyl)ethane-1,2-dione (CAS 554-34-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H18O6. Molecular weight: 330.33 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H18O6 |
| Molecular Weight | 330.33 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Bis Standards
- (S)-2-(3,4-Dimethoxyphenyl)-5-hydroxy-7-methoxychroman-4-one (CAS 70987-96-1)
- 3-((2,4-Dimethoxyphenyl)amino)-1-(3-nitrophenyl)propan-1-one (CAS 477319-06-5)
- 2-(3,4-Dimethoxyphenyl)-3,5,7-trihydroxy-4H-chromen-4-one (CAS 3306-29-4)
- 1,3-Bis(3,4-dimethoxyphenyl)propan-2-one (CAS 6704-25-2)
- (2Z)-3-(2,5-Dimethoxyphenyl)-2-[4-(1H-pyrrol-1-yl)phenyl]prop-2-enenitrile (CAS 866019-97-8)
- (Z)-3-(3,4-dimethoxyphenyl)-2-[4-(1H-pyrrol-1-yl)phenyl]-2-propenenitrile (CAS 866020-02-2)
- 1-(3-(3,4-Dimethoxyphenyl)-5-(thiophen-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)ethan-1-one (CAS 702650-31-5)
- N-((2,5-Dimethoxyphenyl)carbamothioyl)-4-methylbenzamide (CAS 333414-92-9)
Recommended Standards
- 1,1'-(6,6'-Dihydroxy-5,5'-dimethoxy-[1,1'-biphenyl]-3,3'-diyl)bis(ethan-1-one) (CAS 29799-22-2)
- 11-Oxo-6,11-dihydrodibenzo[b,e]oxepin-2-yl benzoate (CAS 866156-25-4)
- 1-(5,8-Dihydroxy-1,4-dioxo-1,4-dihydronaphthalen-2-yl)-4-methylpent-3-en-1-yl acetate (CAS 54984-93-9)
- 2-(2,6-Dichlorophenyl)propanoic acid (CAS 2012-78-4)
- 1H-Benzimidazolium, 2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]-1,3-dimethyl-, chloride (CAS 29556-33-0)
- Ethyl (2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9-hexadecafluorononyl) carbonate (CAS 1980086-60-9)
- 6-Methoxy-2-methylbenzofuran-7-yl acetate (CAS 88367-31-1)
- 6-((Naphthalen-1-ylmethyl)thio)-1,2,4-triazine-3,5(2H,4H)-dione (CAS 307508-95-8)
- 4-Iodobenzene-1,2-diol (CAS 76149-14-9)
- Semaglutide impurity 29 (CAS 110990-08-4)
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