4-(3-Phenylthioureido)benzenesulfonamide CAS 4474-05-9
| CAS No. | 4474-05-9 |
| Molecular Formula | C13H13N3O2S2 |
| Molecular Weight | 307.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 307.39 g/mol gives 4-(3-Phenylthioureido)benzenesulfonamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-(3-Phenylthioureido)benzenesulfonamide (CAS 4474-05-9) is a high-purity analytical reference standard with the molecular formula C13H13N3O2S2 and a molecular weight of 307.39 g/mol.
Structurally, 4-(3-Phenylthioureido)benzenesulfonamide (C13H13N3O2S2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 307.39 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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), 4-(3-Phenylthioureido)benzenesulfonamide 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 | C13H13N3O2S2 |
| Molecular Weight | 307.39 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related Phenylthioureido Standards
Recommended Standards
- 4-({7-methyl-2-phenylimidazo[1,2-a]pyridin-3-yl}methyl)morpholine (CAS 477886-89-8)
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- 4-({6-methyl-2-phenylimidazo[1,2-a]pyridin-3-yl}methyl)morpholine (CAS 338415-57-9)
- 4-Benzyl-1-{1-methyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl}piperidine (CAS 861211-59-8)
- Des-Trp25-Tirzepatide (CAS CATO-CPTD788948)
- 1-(3-(Dimethylamino)propyl)-2-methyl-1H-benzo[d]imidazol-5-amine (CAS 1232792-22-1)
- 2-Butylamino-6-chloropyrazine (CAS 951884-06-3)
- 2-(3-Bromobenzoyl)pyridine (CAS 206357-82-6)
- Fmoc-Leu-Cl (CAS 103321-59-1)
- Ethyl 2,6-dichloro-5-fluoronicotinate (CAS 82671-03-2)
- Ethyl 3,3-difluorobutanoate 3,3-Difluorobutyric acid ethyl ester 2368-93-6 (CAS 2368-93-6)
- 2-Propenoic acid, 2-methyl-, polymer with ethyl 2-propenoate, N-(hydroxymethyl)-2-propenamide and methyl 2-methyl-2-propenoate (CAS 25639-14-9)
- 5-Bromo-4-chloro-6-phenylpyrimidine (CAS 3438-56-0)
- Semaglutide impurity 23 (CAS CATO-C4X-222623)
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