3-Chloro-5-((3,4-dichlorobenzyl)sulfinyl)-1,2,4-thiadiazole CAS 845879-22-3
| CAS No. | 845879-22-3 |
| Molecular Formula | C9H5Cl3N2OS2 |
| Molecular Weight | 327.64 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.
3-Chloro-5-((3,4-dichlorobenzyl)sulfinyl)-1,2,4-thiadiazole (CAS 845879-22-3), molecular formula C9H5Cl3N2OS2 and molecular weight 327.64 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H5Cl3N2OS2, 3-Chloro-5-((3,4-dichlorobenzyl)sulfinyl)-1,2,4-thiadiazole contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 327.64 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C9H5Cl3N2OS2 |
| Molecular Weight | 327.64 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Chloro Standards
- ethyl 2-chloro-3,3,3-trifluoro-2-[(2-fluorobenzoyl)amino]propanoate (CAS 329182-44-7)
- 2-Chloro-3-(3-methoxypropoxy)-5-(tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 2226180-22-7)
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Recommended Standards
- 661-69-8 Hexamethyldistannane Stannane, hexamethyldi- Distannane, hexamethyl- 4-04-00-04346 (Beilstein Handbook Reference) AI3-27428 BRN 3600327 EINECS 211-549-2 Hexamethylditin NSC 227328 Pennsalt TD 5032 TD-5032 (CAS 661-69-8)
- 6-Butyl-1,3,8-trichlorodibenzo[b,d]furan (CAS 193764-65-7)
- 5-Bromo-4-chloro-N,N-diethylpyridine-3-sulfonamide (CAS 1352541-33-3)
- 5-Bromo-N-(tert-butyl)-2-chloropyridine-3-sulfonamide (CAS 1248478-71-8)
- butyl 2-(2,2,2-trifluoroethoxy)nicotinate (CAS 680213-93-8)
- Ethyl 7-hydroxythieno[3,2-b]pyridine-6-carboxylate (CAS 65076-07-5)
- 212266-24-5 1,1,2,2-Tetrachloro(~13~C_2_)ethane DTXSID10745819 (CAS 212266-24-5)
- (1r)-1-(Tetrahydro-2h-pyran-3-yl)ethan-1-ol (CAS 1372882-48-8)
- 3-(2,4-Dichlorophenyl)-2-thioxo-2,3-dihydroquinazolin-4(1H)-one (CAS 103949-43-5)
- Formic Acid Rubidium Salt (CAS 3495-35-0)
- 3-[3-(4-fluorophenyl)-4-oxo-3,4-dihydroquinazolin-2-yl]propanoic acid (CAS 556016-22-9)
- 1-(2,4-Difluorophenyl)cyclopentanemethanamine (CAS 1341830-26-9)
- (S)-2,5-Dioxopyrrolidin-1-yl 2-(((benzyloxy)carbonyl)amino)pentanoate (CAS 71447-85-3)
- Semaglutide Impurity 21(HO-Ste-L-γGlu-AEEA-AEEA-OH) (CAS 1335440-44-2)
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