3',6'-Dihydroxy-4',5'-diiodo-2',7'-dimethyl-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one CAS 28213-82-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 28213-82-3 |
| Molecular Formula | C22H14I2O5 |
| Molecular Weight | 612.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3',6'-Dihydroxy-4',5'-diiodo-2',7'-dimethyl-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one (CAS 28213-82-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C22H14I2O5. Molecular weight: 612.15 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C22H14I2O5 |
| Molecular Weight | 612.15 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Halogen Content | I-containing |
Related Dihydroxy Standards
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- 5,7-Dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-3-(((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-((((2R,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)methyl)tetrahydro-2H-pyran-2-yl)oxy)-4H-chromen-4-one (CAS 107740-46-5)
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- 3',6'-Dihydroxy-4,5-diiodo-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one (CAS 31395-16-1)
Recommended Standards
- S-3448 (CAS 254877-04-8)
- Bis(tri-n-butyltin)sulfide (CAS 4808-30-4)
- Ethyl 6-amino-2-({[4-(4-chlorophenyl)-3-cyano-6-(thiophen-2-yl)pyridin-2-yl]sulfanyl}methyl)-5-cyano-4-(pyridin-3-yl)-4H-pyran-3-carboxylate (CAS 316357-73-0)
- 1-methyl-5-Chloro-1H-pyrimidine-2,4-dione (CAS 55432-60-5)
- Degarelix Acetate Hydrate (CAS 934246-14-7)
- Ibrutinib Impurity 130 (CAS 1633352-71-2)
- 3-((Cyclopropylmethyl)(methyl)amino)-5,6-dimethylpyridazine-4-carbonitrile (CAS 1249158-97-1)
- 1-(Furan-2-yl)-2,2-dimethylpropane-1,3-diol (CAS 4946-64-9)
- (2R,3R)-3-(Methoxymethyl)-2-methylmorpholine hydrochloride (CAS 2791475-77-7)
- β-Asp9-Tirzepatide (CAS CATO-CPTD788931)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com