(R)-2-amino-2-(mercaptomethyl)pent-4-ynoic acid CAS 679005-16-4
| CAS No. | 679005-16-4 |
| Molecular Formula | C6H9NO2S |
| Molecular Weight | 159.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(R)-2-amino-2-(mercaptomethyl)pent-4-ynoic acid (CAS 679005-16-4), molecular formula C6H9NO2S and molecular weight 159.21 g/mol, is a CATO reference standard with documented purity and traceability.
(R)-2-amino-2-(mercaptomethyl)pent-4-ynoic acid (C6H9NO2S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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 (R)-2-amino-2-(mercaptomethyl)pent-4-ynoic 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 | C6H9NO2S |
| Molecular Weight | 159.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related R Standards
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Recommended Standards
- (5-((Methylthio)methyl)isoxazol-3-yl)methanol (CAS 84654-36-4)
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- (S)-1-Methyl-5-thioxopyrrolidine-2-carboxylic acid (CAS 2851528-82-8)
- (2-Ethoxythiazol-5-yl)methanol (CAS 937648-96-9)
- 2-(6-Phenylpyridin-3-yl)acetic acid (CAS 920017-49-8)
- 6-Hydroxykaempferol 3,6-diglucoside (CAS 142674-16-6)
- Levocabastine Impurity 29 (CAS CATO-C4X-228929)
- [DAla2,Hyp4,Tyr5] b-Casomorphin (1-5), amide (CAS 102029-98-1)
- 2,6-Dimethoxy-4-nitrophenol (CAS 19978-25-7)
- HO-Ste-γGlu-AEEA-OH (CAS CATO-C4X-2226278)
- 3-Quinolinecarboxylic acid, 5-bromo-4-chloro-8-methyl-, ethyl ester (CAS 1157726-85-6)
- (Dimethylamino)acetone (CAS 15364-56-4)
- 1-(5-Aminopyridin-2-yl)-3-cyclopropyl-4,5-dihydro-1h-pyrazol-5-one (CAS 1343983-95-8)
- Semaglutide impurity 23 (CAS CATO-C4X-222623)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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