3-(Carbamimidoylthio)propane-1-sulfonic acid CAS 21668-81-5
| CAS No. | 21668-81-5 |
| Molecular Formula | C4H10N2O3S2 |
| Molecular Weight | 198.26 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-(Carbamimidoylthio)propane-1-sulfonic acid (CAS 21668-81-5), a certified reference material (molecular formula C4H10N2O3S2, MW 198.26 g/mol) for analytical method development and quality control.
Based on its molecular formula C4H10N2O3S2, 3-(Carbamimidoylthio)propane-1-sulfonic acid contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 198.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 3-(Carbamimidoylthio)propane-1-sulfonic acid 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 | C4H10N2O3S2 |
| Molecular Weight | 198.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Carbamimidoylthio Standards
- Methyl 2-(carbamimidoylthio)-3-oxobutanoate (CAS 1171965-17-5)
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- Ethyl 2-(carbamimidoylthio)acetate (CAS 24523-90-8)
- (E)-3-(Carbamimidoylthio)acrylic acid (CAS 103232-23-1)
- 2-(Carbamimidoylthio)acetic acid (CAS 7404-50-4)
- 2-(Carbamimidoylthio)acetic acid hydrochloride (CAS 5425-78-5)
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- 3-(Carbamimidoylthio)propanoic acid hydrochloride (CAS 871-62-5)
Recommended Standards
- 3'-(Aminomethyl)-[1,1'-biphenyl]-4-amine (CAS 828928-23-0)
- 3-(Cyclohex-1-en-1-yl)-1H-pyrrolo[2,3-b]pyridine (CAS 494799-64-3)
- 3-(4-Methylphenyl)-2H,4H,5H,6H-cyclopenta[c]pyrazole (CAS 400077-08-9)
- 3-(Phenylmethyl)-3-azabicyclo[3.1.0]hexane-1-carbonitrile (CAS 56062-59-0)
- N-Methoxy-N-methyl thiazole-5-carboxamide (CAS 898825-89-3)
- 2,3-Difluoro-4-(methoxymethoxy)benzaldehyde (CAS 2586126-70-5)
- Saikosaponin B2 (CAS 58316-41-9)
- N-(4-Aminopiperazin-1-yl)-3-phenylpropanamide (CAS 1956309-49-1)
- 790641-72-4 1-(4-Methyl-1,2,3-thiadiazol-5-yl)methanamine DTXSID60592830 (CAS 790641-72-4)
- 2-(Benzo[d]thiazol-2-yl)propan-1-amine (CAS 1223501-17-4)
- (R)-2-(3-(Fluoromethyl)pyrrolidin-1-yl)ethanol 1443983-91-2 (CAS 1443983-91-2)
- 1,2-Diphenyl-2,3,5,6,7,8-hexahydroquinazolin-4(1H)-one (CAS 62582-96-1)
- 6-Cyanopyridazine-4-carboxylic acid (CAS 2091707-99-0)
- Semaglutide impurity 70 (CAS CATO-C4X-222670)
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