2-(Thiocyanatomethylthio)benzothiazole CAS 21564-17-0
| CAS No. | 21564-17-0 |
| Molecular Formula | C9H6N2S3 |
| Molecular Weight | 238.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 238.35 g/mol gives 2-(Thiocyanatomethylthio)benzothiazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(Thiocyanatomethylthio)benzothiazole (CAS 21564-17-0), molecular formula C9H6N2S3 and molecular weight 238.35 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, 2-(Thiocyanatomethylthio)benzothiazole is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 238.35 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), 2-(Thiocyanatomethylthio)benzothiazole meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C9H6N2S3 |
| Molecular Weight | 238.35 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 3 |
Recommended Standards
- L-(+)-Ergothioneine-d9 (CAS CATO-CCAD303761)
- 1-(4-Aminopiperidin-1-yl)-3-cyclohexylpropan-1-one (CAS 1016534-65-8)
- Xylazine Hydrochloride EP Impurity D (CAS 120077-91-0)
- 1-(3,5-Dimethylpiperidin-1-yl)-2-(piperidin-4-yl)ethan-1-one (CAS 1016866-51-5)
- 1-(Bromomethyl)spiro[2.2]pentane (CAS 1700432-40-1)
- 2-(Furan-3-yl)cycloheptan-1-ol (CAS 1339495-34-9)
- 3-oxo-3-(3,4,5-trimethoxyphenyl)propanoic acid ethyl ester 3044-56-2 A820375 ethyl 3-oxidanylidene-3-(3,4,5-trimethoxyphenyl)propanoate (CAS 3044-56-2)
- 5-Methoxypyrazolo[1,5-a]pyridin-2-amine (CAS 2443509-54-2)
- tert-Butyl (2-(hydroxymethyl)thiazol-5-yl)carbamate (CAS 1357247-57-4)
- N-[(4-Methoxy-1-naphthyl)methyl]cycloheptanamine hydrobromide (CAS 1609404-33-2)
- Lamivudine EP Impurity J (CAS 145986-07-8)
- 5-Methoxy-2-methylbenzo[d]thiazole (CAS 2941-69-7)
- 6-Carbamimidoylnaphthalen-2-yl 4-((4,5-dihydro-1H-imidazol-2-yl)amino)benzoate (CAS 103926-64-3)
- CBP501 Affinity Peptide trifluoroacetate salt (CAS 1351804-17-5)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com