(3-Methylphenyl)thiourea CAS 621-40-9
| CAS No. | 621-40-9 |
| Molecular Formula | C8H10N2S |
| Molecular Weight | 166.24 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.
CATO supplies (3-Methylphenyl)thiourea (CAS 621-40-9), a certified reference material (molecular formula C8H10N2S, MW 166.24 g/mol) for analytical method development and quality control.
Structurally, (3-Methylphenyl)thiourea (C8H10N2S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 166.24 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C8H10N2S |
| Molecular Weight | 166.24 g/mol |
| Purity | 97%+ |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methylphenyl Standards
- (2-Methylphenyl)thiourea (CAS 614-78-8)
- 2-(3-Methylphenyl)ethanethioamide (CAS 6487-91-8)
- 2-{[(4-methylphenyl)methyl]amino}ethan-1-ol (CAS 40171-87-7)
- 2-[(4-Methylphenyl)thio]ethanamine (CAS 42404-23-9)
- [(2-Methylphenyl)amino]acetic acid (CAS 21911-61-5)
- [(3-Methylphenyl)amino]acetic acid (CAS 21911-67-1)
- [(4-Methylphenyl)amino]acetic acid (CAS 21911-69-3)
- N-(4-methylphenyl)hydrazinecarboxamide (CAS 62774-57-6)
Recommended Standards
- (E)-(2-(methylsulfinyl)vinyl)benzene (CAS 38082-31-4)
- 3-amino-2,2-dimethylpropane-1-sulfonamide (CAS 1936178-42-5)
- 1-(2-(Thiophen-2-yl)cyclopropyl)ethan-1-one (CAS 478262-59-8)
- 19093-37-9 Allyl phenyl sulfoxide allylsulfinylbenzene (CAS 19093-37-9)
- N-(3-cyano-4-(p-tolylsulfinyl)phenyl)cyclopropanecarboxamide (CAS 477710-05-7)
- 4-((Dimethylamino)methyl)-5-methyl-1H-pyrazol-3-ol (CAS 54952-59-9)
- 3,4-Dichloro-5-(difluoromethoxy)phenylacetonitrile (CAS 1807052-41-0)
- 2-(5-Methyl-4,5,6,7-tetrahydrothieno[3,2-c]pyridin-2-yl)acetic acid (CAS 1368321-37-2)
- 5-Bromo-2-(trifluoromethyl)benzaldehyde (CAS 1288998-92-4)
- 1-(4-(Aminomethyl)piperazin-1-yl)ethanone (CAS 229499-79-0)
- 2-Chloro-4-methyl-6-(methylthio)nicotinaldehyde (CAS 1208989-44-9)
- 2-(Pentyl(5-(piperidin-1-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)amino)ethanol (CAS 100557-04-8)
- 1-Boc-3-(4-nitro-1-pyrazolyl)azetidine (CAS 1314987-79-5)
- Semaglutide impurity 101 (CAS CATO-C4X-2226101)
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