1,1'-(4,6-Dihydroxy-5-methyl-1,3-phenylene)diethanone CAS 22304-66-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 22304-66-1 |
| Molecular Formula | C11H12O4 |
| Molecular Weight | 208.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,1'-(4,6-Dihydroxy-5-methyl-1,3-phenylene)diethanone (CAS 22304-66-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H12O4. Molecular weight: 208.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H12O4 |
| Molecular Weight | 208.21 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
Related Dihydroxy Standards
- 2,5-Dihydroxy-3-(3-methylbut-2-en-1-yl)cyclohexa-2,5-diene-1,4-dione (CAS 103425-30-5)
- 4,6-dihydroxy-7-methoxycarbonylindan (CAS 114629-19-5)
- 5,7-Dihydroxy-2,2-dimethylchroman-4-one (CAS 883-09-0)
- 2,4-Dihydroxy-6-pentylbenzaldehyde (CAS 855875-40-0)
- 6,7-Dihydroxy-8-methoxy-2H-chromen-2-one (CAS 108221-59-6)
- 5,8-Dihydroxy-2-(hydroxymethyl)quinazolin-4(1H)-one (CAS 117498-07-4)
- 6,7-Dihydroxy-1-oxo-2,3-dihydro-1H-indene-4-carboxylic acid (CAS 148050-69-5)
- 2,2-Dihydroxy-5-methoxy-1,3-indandione hydrate (CAS 304671-58-7)
Recommended Standards
- 1-(Furan-2-ylmethyl)-5-oxopyrrolidine-3-carboxamide (CAS 910443-32-2)
- 1,4-Benzodioxin-5-propanoic acid, 2,3-dihydro- (CAS 214895-00-8)
- 1-(7-Methoxybenzo[d][1,3]dioxol-5-yl)propan-1-one (CAS 19937-86-1)
- 5-cyclobutyl-4-methyl-4H-1,2,4-triazole-3-thiol (CAS 869941-77-5)
- 4-(Isoxazol-3-yl)morpholine (CAS 408517-67-9)
- Tris((1H-benzo[d][1,2,3]triazol-1-yl)methyl)amine (CAS 121238-82-2)
- 3-Cyclohexylbutanoic acid (CAS 4361-38-0)
- Midazolam N-β-D-Glucuronide (~90%, contains ~10% inorganic salts) (CAS 1033824-50-8)
- 2-[1-[(3-chlorophenyl)methyl]-3-indolyl]acetic acid 2-[1-[(3-chlorophenyl)methyl]indol-3-yl]ethanoic acid 339016-33-0 A821993 (CAS 339016-33-0)
- Liraglutide Sodium Salt (CAS 204656-20-2（free base）)
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