11-Nitro-8λ6-thia-2,3,5,7-tetraazatricyclo[7.4.0.0,2,6]trideca-1(13),3,5,9,11-pentaene-8,8-dione CAS 1311315-45-3
| CAS No. | 1311315-45-3 |
| Molecular Formula | C8H5N5O4S |
| Molecular Weight | 267.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
11-Nitro-8λ6-thia-2,3,5,7-tetraazatricyclo[7.4.0.0,2,6]trideca-1(13),3,5,9,11-pentaene-8,8-dione (CAS 1311315-45-3), molecular formula C8H5N5O4S and molecular weight 267.22 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H5N5O4S, 11-Nitro-8λ6-thia-2,3,5,7-tetraazatricyclo[7.4.0.0,2,6]trideca-1(13),3,5,9,11-pentaene-8,8-dione contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 267.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H5N5O4S |
| Molecular Weight | 267.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 2,5-Difluoro-3-(trifluoromethyl)pyridine (CAS 1214342-94-5)
- Lithium 3-carboxy-5-sulfobenzoate (CAS 46728-75-0)
- Tegoprazan Impurity 123 (CAS CATO-C4X-2297123)
- a-CGRP (mouse, rat) (H-2265.0500) (CAS 83651-90-5)
- 1,3,2-Dioxaborolane, 2-[2-[(4-methoxyphenyl)methoxy]-5-methylphenyl]-4,4,5,5-tetramethyl- (CAS 2890194-40-6)
- 2,2-Difluorospiro[2.3]Hexan-1-amine (CAS 2306260-82-0)
- (2Z)-2-[(4-Hydroxy-3-methoxyphenyl)methylidene]-2H,3H,5H,6H,7H-[1,3]thiazolo[3,2-a]pyrimidin-3-one (CAS 866153-38-0)
- 1-methyl-2-(piperazin-1-yl)-1H-benzo[d]imidazoleHCl (CAS 137898-68-1)
- Semaglutide impurity 260 (CAS CATO-C4X-2226260)
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