3-Tolyl isothiocyanate m-tolyl isothiocyanate 3-methylphenyl isothiocyanate m-tolylisothiocyanate isothiocyanic acid m-tolyl ester 621-30-7 CAS 621-30-7
| CAS No. | 621-30-7 |
| Molecular Formula | C8H7NS |
| Molecular Weight | 149.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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 supplies 3-Tolyl isothiocyanate m-tolyl isothiocyanate 3-methylphenyl isothiocyanate m-tolylisothiocyanate isothiocyanic acid m-tolyl ester 621-30-7 (CAS 621-30-7), a certified reference material (molecular formula C8H7NS, MW 149.21 g/mol) for analytical method development and quality control.
Structurally, 3-Tolyl isothiocyanate m-tolyl isothiocyanate 3-methylphenyl isothiocyanate m-tolylisothiocyanate isothiocyanic acid m-tolyl ester 621-30-7 (C8H7NS) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 149.21 g/mol, it falls into the low-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 3-Tolyl isothiocyanate m-tolyl isothiocyanate 3-methylphenyl isothiocyanate m-tolylisothiocyanate isothiocyanic acid m-tolyl ester 621-30-7 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 | C8H7NS |
| Molecular Weight | 149.21 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Tolyl Standards
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Recommended Standards
- 496-30-0 2H-Indole-2-thione, 1,3-dihydro- (9CI) 2-Indolinethione 5-21-08-00018 (Beilstein Handbook Reference) Benzazoline-2-thione BRN 0002992 1,3-Dihydro-2H-indole-2-thione (CAS 496-30-0)
- 2-(Methylthio)benzonitrile (CAS 6609-54-7)
- Triethyl Orthoformate-d (CAS 26387-53-1)
- 2-Methylbenzothiazole (CAS 120-75-2)
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- potassium 2-(isobutylamino)-1,3-thiazole-4-carboxylate (CAS 1011405-09-6)
- Ethyl 4-Acetamidophenylacetate (CAS 13475-17-7)
- (2-Iodo-3-(trifluoromethyl)phenyl)methanol (CAS 1261501-14-7)
- 1-(Piperidin-4-yl)-1H-pyrazole-4-carboxylic acid (CAS 782494-23-9)
- (S)-2-(2,5-dimethylphenyl)pyrrolidine (CAS 1213315-90-2)
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- N-(2,2-Dimethoxyethyl)acetamide (CAS 62005-48-5)
- 2-Fluoropropan-1-amine hydrochloride (CAS 2098116-13-1)
- Semaglutide impurity 24 (CAS CATO-C4X-222624)
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