2-tert-Butyl-5-chloro-1,3,4-thiadiazole CAS 77822-86-7
| CAS No. | 77822-86-7 |
| Molecular Formula | C6H9ClN2S |
| Molecular Weight | 176.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-tert-Butyl-5-chloro-1,3,4-thiadiazole (C6H9ClN2S) contains a nitrile group, sulfur-containing functionality, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 176.67 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
2-tert-Butyl-5-chloro-1,3,4-thiadiazole (CAS 77822-86-7), molecular formula C6H9ClN2S and molecular weight 176.67 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 2-tert-Butyl-5-chloro-1,3,4-thiadiazole 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 | C6H9ClN2S |
| Molecular Weight | 176.67 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1979 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Recommended Standards
- 2-Chloro-5-isobutyl-1,3,4-thiadiazole (CAS 99420-56-1)
- 3-Tert-butyl-5-chloro-1,2,4-thiadiazole (CAS 57370-16-8)
- 2-(5-Chloro-4-methylthiazol-2-yl)ethanamine (CAS 915924-00-4)
- 4-(3-Chloropropyl)-1,3-thiazol-2-amine (CAS 79386-91-7)
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Why CATO?
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