3-Amino-1-(2-phenylethyl)thiourea CAS 21198-23-2
| CAS No. | 21198-23-2 |
| Molecular Formula | C9H13N3S |
| Molecular Weight | 195.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-Amino-1-(2-phenylethyl)thiourea.
3-Amino-1-(2-phenylethyl)thiourea (CAS 21198-23-2), molecular formula C9H13N3S and molecular weight 195.28 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H13N3S, 3-Amino-1-(2-phenylethyl)thiourea contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 195.28 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), 3-Amino-1-(2-phenylethyl)thiourea 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 | C9H13N3S |
| Molecular Weight | 195.28 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.) | 1963 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Amino Standards
- 3-Amino-1-(2,3-dimethylphenyl)thiourea (CAS 13278-47-2)
- 3-Amino-1-(2-ethylphenyl)thiourea (CAS 16667-04-2)
- 1-(2-Amino-4,5,6,7-tetrahydrobenzo[b]thiophen-3-yl)ethan-1-one (CAS 65762-96-1)
- 2-Amino-1-(4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)ethan-1-one (CAS 735253-99-3)
- 2-Amino-4-methyl-5-(2-(methylthio)ethyl)-1H-pyrrole-3-carbonitrile (CAS 63499-87-6)
- 3-Amino-1-(3,4-dimethylphenyl)thiourea (CAS 6610-33-9)
- 3-Amino-1-benzyl-3-methylthiourea (CAS 21076-23-3)
- 1-Amino-3-(1-phenylethoxy)propan-2-ol (CAS 1016516-14-5)
Recommended Standards
- 3-(Methylthio)-N-phenylpropanamide (CAS 74149-12-5)
- 3-(Dimethylamino)-1-(5-methylthiophen-2-yl)prop-2-en-1-one (CAS 90815-53-5)
- 3-((1R,2S,4S)-Bicyclo[2.2.1]heptan-2-ylthio)-1H-1,2,4-triazole (CAS 475588-97-7)
- 3-Propoxybenzothioamide (CAS 927978-31-2)
- (Z)-2-(4-chlorophenyl)-N-hydroxy-2-oxoacetimidoyl chloride (CAS 6305-05-1)
- Di(propylene glycol) butyl ether (CAS 29911-28-2)
- 1-(2-Chloro-6-fluorobenzyl)-1,4-diazepane (CAS 244022-69-3)
- (2-Methoxyphenyl)methanol (CAS 612-16-8)
- 3-((4-(Sec-butyl)phenyl)amino)-1-(4-chlorophenyl)propan-1-one (CAS 882748-26-7)
- 3-Amino-n-(2-methoxyethyl)-1h-pyrazole-5-carboxamide (CAS 1342836-84-3)
- Ethyl (S)-2-Acetoxy-4-hydroxybutyrate (CAS 76224-59-4)
- (R)-1-(tert-Butoxycarbonyl)-2-(trifluoromethyl)pyrrolidine-2-carboxylic acid (CAS 1393524-14-5)
- 2-[1-(tert-Butoxycarbonyl)-4-(2-methoxyphenyl)piperidin-4-yl]acetic acid (CAS 1439897-75-2)
- Semaglutide impurity 194 (CAS CATO-C4X-2226194)
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