4,5,6,7-Tetrahydro-1,3-benzothiazole CAS 4433-49-2
| CAS No. | 4433-49-2 |
| Molecular Formula | C7H9NS |
| Molecular Weight | 139.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,5,6,7-Tetrahydro-1,3-benzothiazole (CAS 4433-49-2) is a high-purity analytical reference standard with the molecular formula C7H9NS and a molecular weight of 139.22 g/mol.
Structurally, 4,5,6,7-Tetrahydro-1,3-benzothiazole (C7H9NS) contains a nitrile group, sulfur-containing functionality, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 139.22 g/mol, it falls into the low-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 4,5,6,7-Tetrahydro-1,3-benzothiazole 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 | C7H9NS |
| Molecular Weight | 139.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 4-(Methylamino)benzenethiol (CAS 4946-21-8)
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- 4,5,6,7-Tetrahydrothieno[3,2-c]pyridine (CAS 54903-50-3)
- Methyl 3-[3-(3-methoxy-3-oxopropyl)phenyl]propanoate (CAS 6221-61-0)
- 1-Bromo-2-isopropoxy-4-methylbenzene (CAS 221111-02-0)
- 2-Amino-N-(3,5-bis(trifluoromethyl)benzyl)-N-methylacetamide (CAS 279682-92-7)
- 2-Chloro-3-(2-chloroethyl)-6-ethylquinoline (CAS 948294-51-7)
- 3-Methyloxetan-2-one (CAS 1823-54-7)
- Isepamicin Impurity 9 (CAS CATO-C4X-31119)
- 2-[2-[2-(Biotinyl)aminoethoxy]ethoxy]ethoxy-4-[3-(trifluoromethyl)-3H-diazirin-3-yl]benzoic acid (CAS 165963-75-7)
- 2-(Methylthio)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4-amine (CAS 121746-14-3)
- 8-Nitroquinoline-4-carboxylic acid (CAS 121689-22-3)
- Semaglutide Impurity 162 (x TFA Salt) (CAS CATO-C4X-2226162)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com