9-Amino-6,8-di-1,3,2-dithiarsolan-2-yl-5H-benzo[a]phenoxazin-5-one CAS 345340-48-9
| CAS No. | 345340-48-9 |
| Molecular Formula | C20H16As2N2O2S4 |
| Molecular Weight | 594.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 9-Amino-6,8-di-1,3,2-dithiarsolan-2-yl-5H-benzo[a]phenoxazin-5-one is closely related to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
9-Amino-6,8-di-1,3,2-dithiarsolan-2-yl-5H-benzo[a]phenoxazin-5-one (CAS 345340-48-9) is a high-purity analytical reference standard with the molecular formula C20H16As2N2O2S4 and a molecular weight of 594.46 g/mol.
Structurally, 9-Amino-6,8-di-1,3,2-dithiarsolan-2-yl-5H-benzo[a]phenoxazin-5-one (C20H16As2N2O2S4) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. 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 594.46 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 9-Amino-6,8-di-1,3,2-dithiarsolan-2-yl-5H-benzo[a]phenoxazin-5-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 | C20H16As2N2O2S4 |
| Molecular Weight | 594.46 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 4 |
Related Amino Standards
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- 3-Amino-2,4,6-triiodobenzeneheptanoic Acid (CAS 161466-28-0)
- (2r)-2-amino-n-[(2s)-2-({(3s)-1-chloro-6-[(diaminomethylidene)amino]-2-oxohexan-3-yl}amino)-3-phenylpropanoyl]-3-phenylpropanamide(non-preferred name) 7787-64-6 KST-1A8203 (CAS 7787-64-6)
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Recommended Standards
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- Alectinib Impurity 71 (CAS CATO-C4X-283671)
- 5,5'-(1,3,6,8-Tetraoxo-1,3,6,8-tetrahydrobenzo[lmn][3,8]phenanthroline-2,7-diyl)diisophthalic acid (CAS 350024-36-1)
- Alectinib Impurity 72 (CAS CATO-C4X-283672)
- Methyl Thioglycolate (CAS 2365-48-2)
- 1-(Pyridazin-3-yl)azetidin-3-ol (CAS 1339891-09-6)
- Bz-Tyr-4-Abz-OH (CAS 37106-97-1)
- Doxorubicin Impurity 5 (CAS 1159977-23-7)
- (S)-2-(2,6-dichlorophenyl)-2-(methylamino)ethan-1-ol (CAS 1213607-71-6)
- Kulonic Acid (CAS 50656-67-2)
- 2-(Aminomethyl)-5-(difluoromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine (CAS 1804822-58-9)
- (2R,3R)-2,3-Bis(benzyloxy)butane-1,4-diol (CAS 113350-84-8)
- Ethyl 3-(3-fluorophenyl)propiolate (CAS 58686-65-0)
- Antifreeze Polypeptide 6 (winter flounder) trifluoroacetate salt (CAS 122604-16-4)
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