2,5-dihydroxy-3,6-bis(4-hydroxyphenyl)cyclohexa-2,5-diene-1,4-dione CAS 519-67-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 519-67-5 |
| Molecular Formula | C18H24O6 |
| Molecular Weight | 336.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,5-dihydroxy-3,6-bis(4-hydroxyphenyl)cyclohexa-2,5-diene-1,4-dione (CAS 519-67-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H24O6. Molecular weight: 336.38 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H24O6 |
| Molecular Weight | 336.38 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, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1957 |
Related dihydroxy Standards
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- 2,4-Dihydroxy-6-tridecylbenzoic Acid (CAS 62071-09-4)
- 5,12-Dihydroxy-6,8,10,14-Eicosatetraenoic Acid (CAS 73151-67-4)
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- 3α,11 β-Dihydroxy-5α-pregnan-20-one (CAS 23930-29-2)
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- 11，15-Dihydroxy-16-kauren-19-oic acid (CAS 57719-76-3)
- 5,7-Dihydroxy-3-(4-hydroxyphenyl)-8-(3-methylbut-2-en-1-yl)-4H-chromen-4-one (CAS 104691-86-3)
Recommended Standards
- 2,2-(1,4-Naphthalenediyl)bisbenzaldehyde (CAS 285571-20-2)
- 2,6-Difluoro-N-(2-(methylthio)benzo[d]thiazol-6-yl)benzamide (CAS 325988-79-2)
- 2-(5-Methyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)ethyl 4-methylbenzoate (CAS 865658-46-4)
- 4-(3-Hydroxy-4-oxo-3,4-dihydroquinazolin-2-yl)benzonitrile (CAS 477864-74-7)
- 3-(2-Chloro-4-pyrimidinyl)aniline (CAS 859516-82-8)
- 3-(Benzyloxy)-5-chloro-2-fluoropyridine (CAS 1616667-42-5)
- (S)-2-Amino-4-oxopentanoic acid (CAS 51268-84-9)
- 2-(1-(tert-Butoxycarbonyl)pyrrolidin-3-yl)-2-(methylthio)acetic acid (CAS 1353980-03-6)
- Methyl 4-(2,6-difluorophenyl)-3-oxobutanoate (CAS 774231-77-5)
- TRAF6 Control Peptide trifluoroacetate salt (CAS 852690-80-3)
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