4,5,6,7-Tetrabromo-3,3-bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one CAS 13027-28-6
| CAS No. | 13027-28-6 |
| Molecular Formula | C20H10Br4O4 |
| Molecular Weight | 633.91 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4,5,6,7-Tetrabromo-3,3-bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one (C20H10Br4O4) contains a flavonoid core, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 633.91 g/mol, it falls into the high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
4,5,6,7-Tetrabromo-3,3-bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one (CAS 13027-28-6) is a high-purity analytical reference standard with the molecular formula C20H10Br4O4 and a molecular weight of 633.91 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4,5,6,7-Tetrabromo-3,3-bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C20H10Br4O4 |
| Molecular Weight | 633.91 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
| Halogen Content | Br-containing |
Related Tetrabromo Standards
- 2,2,7,7-Tetrabromo-9,9-spirobifluorene (CAS 128055-74-3)
- 2,3,13,14-Tetrabromo-6,7,9,10,17,18-hexahydrodibenzo[b,h][1,4,7,10,13]penta (CAS 302929-47-1)
- 1,2,3,5-Tetrabromo-4-(2,5-dibromophenoxy)benzene (CAS 446255-00-1)
- 2,2',7,7'-Tetrabromo-9,9'-bifluorenylidene (CAS 27192-91-2)
- 2-(2,4,5,7-Tetrabromo-6-hydroxy-3-oxo-3H-xanthen-9-yl)benzoic acid (CAS 152-75-0)
- 3,3',6,6'-Tetrabromo-9,9'-bicarbazole (CAS 18628-03-0)
- 2,3,13,14-Tetrabromo-6,7,9,10,17,18,20,21-octahydrodibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecine (CAS 40100-11-6)
- 2,3,6,7-Tetrabromo-1,4,5,8-tetrahydroxyanthracene-9,10-dione (CAS 106897-88-5)
Recommended Standards
- 3′,3′′,5′,5′′-Tetrabromophenolphthalein (CAS 1301-20-8)
- 3,3-Bis(3,5-dibromo-4-hydroxyphenyl)isobenzofuran-1(3H)-one (CAS 76-62-0)
- Bis(octadecanoato-κO)oxovanadium (CAS 25694-91-1)
- Trans-5-(4-ethoxyphenyl)-1-phenyl-4-(piperazine-1-carbonyl)pyrrolidin-2-one hydrochloride (CAS 38123-98-7)
- 2,3,5-Trichloropyrazine (CAS 873-40-5)
- 2-(4-(Piperidin-1-yl)pyridin-3-yl)ethyl pyrimidine-5-carboxylate (CAS 823795-32-0)
- 1-(6-Ethoxy-1,3-benzothiazol-2-yl)-5-oxopyrrolidine-3-carboxylic acid (CAS 899762-49-3)
- 2,4-Dichloro-3,3-dimethylbutyrophenone (CAS 898764-86-8)
- 4-(5-Iodo-2,3-dihydrobenzotriazol-1-yl)thiane 1,1-dioxide (CAS 2723102-66-5)
- N-(3-chlorophenyl)-6-methoxy-1,3-benzothiazol-2-amine (CAS 862975-80-2)
- (1-(2-Bromobenzyl)-1H-1,2,3-triazol-4-yl)methanol (CAS 1248464-60-9)
- 4-(Benzyloxy)butanoic acid (CAS 10385-30-5)
- Antimycin A3 (CAS 522-70-3)
- Insulin Degludec Impurity 9 (CAS CATO-C4X-21579)
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