3,5-Dihydroxy-6,6-bis(3-methyl-2-buten-1-yl)-2-(3-methyl-1-oxobutyl)-2,4-cyclohexadien-1-one CAS 53771-35-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 53771-35-0 |
| Molecular Formula | C21H30O4 |
| Molecular Weight | 346.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,5-Dihydroxy-6,6-bis(3-methyl-2-buten-1-yl)-2-(3-methyl-1-oxobutyl)-2,4-cyclohexadien-1-one (CAS 53771-35-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H30O4. Molecular weight: 346.46 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H30O4 |
| Molecular Weight | 346.46 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
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- 3β,17-Dihydroxy-16α-methyl-pregn-5-en-20-one (CAS 4927-26-8)
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Recommended Standards
- 2-Hydroxymethyl-17α-methylandrostadiene-11α,17β-diol-3-one (CAS 59400-02-1)
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- 17β-Acetoxy-6β-hydroxy-testosterone (CAS 4223-43-2)
- (R)-1-(4-Chlorophenyl)propan-1-amine (CAS 114853-61-1)
- 2-(2-Chloro-4-fluorophenyl)ethanethioamide (CAS 306937-36-0)
- 2-(3-Fluorophenyl)-2-oxoacetaldehyde hydrate (CAS 1049745-82-5)
- hexahydro-1'H-spiro[cyclopropane-1,6'-pyrrolo[1,2-a]piperazine]-3'-one (CAS 2168821-12-1)
- n-(2-Methoxybenzyl)piperidin-4-amine dihydrochloride (CAS 1233953-07-5)
- 2-Chloro-4,8-dimethylquinazoline (CAS 1388050-74-5)
- Semaglutide impurity 68 (CAS CATO-C4X-222668)
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