50835-77-3 CTK1G5983 Propanoic acid, 3-isocyanato-, methyl ester CAS 50835-77-3
| CAS No. | 50835-77-3 |
| Molecular Formula | C5H7NO3 |
| Molecular Weight | 129.11 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.
50835-77-3 CTK1G5983 Propanoic acid, 3-isocyanato-, methyl ester (CAS 50835-77-3), molecular formula C5H7NO3 and molecular weight 129.11 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5H7NO3, 50835-77-3 CTK1G5983 Propanoic acid, 3-isocyanato-, methyl ester contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 129.11 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.
As a certified reference material (CRM), 50835-77-3 CTK1G5983 Propanoic acid, 3-isocyanato-, methyl ester 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 | C5H7NO3 |
| Molecular Weight | 129.11 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 | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1971 |
| Nitrogen Atoms | 1 |
Recommended Standards
- (5S)-3-methyl-4,5-dihydro-1,2-oxazole-5-carboxylic acid 473700-52-6 GS-5449 (CAS 473700-52-6)
- 695-53-4 ALU9NPM703 Dimethadione Dimethadione [USAN:INN] 2,4-Oxazolidinedione, 5,5-dimethyl- 4-27-00-03237 (Beilstein Handbook Reference) AC 1198 AI3-18201 BAX 1400Z BRN 0113541 Dimetadiona [INN-Spanish] Dimetadione [DCIT] Dimethadion Dimethadionum [INN-Latin] Dimethyloxazolidinedione Dimethyl-oxazolidine-2,4-dione 5,5-Dimethyl-2,4-oxazolidinedione DMO 5,5-Dwumetylooksazolidyno-2,4-dion [Polish] EINECS 211-781-4 Eupractone NSC-30152 Propazone NSC 30152 5,5-Dwumetylooksazolidyno-2,4-dion Dimetadiona Dimetadione Dimethadionum 5,5-Dimethyl-2,4-oxazolidindion [IUPAC] UNII-ALU9NPM703 5,5-Dimethyl-2,4-oxazolidindion (CAS 695-53-4)
- (S)-(-)-2-Isocyanatopropionic Acid Methyl Ester 30293-82-4 I0465 Methyl (S)-(-)-2-Isocyanatopropionate (CAS 30293-82-4)
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