4,5-Bis(1,3,2-dithiarsolan-2-yl)-3,6-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9-[9H]xanthene]-6-carboxylic Acid CAS 1042084-20-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1042084-20-7 |
| Molecular Formula | C25H18As2O7S4 |
| Molecular Weight | 708.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,5-Bis(1,3,2-dithiarsolan-2-yl)-3,6-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9-[9H]xanthene]-6-carboxylic Acid (CAS 1042084-20-7) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C25H18As2O7S4. Molecular weight: 708.51 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C25H18As2O7S4 |
| Molecular Weight | 708.51 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 |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Sulfur Atoms | 4 |
Related Bis Standards
- 4,5-Bis(1,3,2-dithiarsolan-2-yl)-3,6-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9-[9H]xanthene]-5-carboxylic acid (CAS 439791-28-3)
- 4,5-Bis(1,3,2-dithiarsolan-2-yl)-2,7-difluoro-3,6-dihydroxyspiro[isobenzofuran-1(3H),9-[9H]xanthen]-3-one (CAS 912934-89-5)
- 4,5-Bis(1,3,2-dithiarsolan-2-yl)-9-(4-fluorophenyl)-6-hydroxy-3H-xanthen-3-one (CAS 1378318-62-7)
- 5-(1,3,2-Dithiarsolan-2-yl)-2-[3-[5-(1,3,2-dithiarsolan-2-yl)-1,3-dihydro-3,3-dimethyl-1-(4-sulfobutyl)-2H-indol-2-ylidene]-1-propen-1-yl]-3,3-dimethyl-1-(4-sulfobutyl)-3H-indolium Inner Salt 946135-47-3 AsCy3 Bis(dithiarsolanyl)-bis(sulfobutyl) Cyanine 3 (CAS 946135-47-3)
- 4-[1,3,2]Dithiarsolan-2-yl-phenylamine (CAS 5577-20-8)
Recommended Standards
- Dichloro[9,9-dimethyl-4,5-bis(diphenylphosphino)xanthene]Cobalt(II) (CAS 898807-69-7)
- 3-Acetylpyridine adenine dinucleotide (disodium) (CAS 102029-93-6)
- 12,12,13,13,14,14,15,15,16,16,17,17,17-Tridecafluoroheptadecyl dimorpholinophosphinate (CAS 134051-91-5)
- 7-chlorobenzothiophene-2-sulfonyl chloride (CAS 128852-08-4)
- 3-Methyl-4-(p-tolylthio)isoxazolo[5,4-d]pyrimidine (CAS 478044-98-3)
- 1-Methyl-5-oxopyrrolidine-3-carbaldehyde (CAS 72496-67-4)
- 2,3-diethylpyrazine (CAS 15707-24-1)
- 2-(4-CHloro-phenylamino)-5-methyl-thiazole-4-carboxylic acid ethyl ester (CAS 855531-10-1)
- 2,2,2-Trichloro-N-(quinolin-8-yl)acetamide (CAS 33757-45-8)
- Neuropeptide Y (13-36) (porcine) (CAS 113662-54-7)
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