Propargyl-PEG4-mesyl ester CAS 1233816-83-5
| CAS No. | 1233816-83-5 |
| Molecular Formula | C12H22O7S |
| Molecular Weight | 310.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Propargyl-PEG4-mesyl ester (CAS 1233816-83-5), molecular formula C12H22O7S and molecular weight 310.36 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Propargyl-PEG4-mesyl ester (C12H22O7S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 310.36 g/mol, it falls into the moderately-high-molecular-weight range.
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.
As a certified reference material (CRM), Propargyl-PEG4-mesyl 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 | C12H22O7S |
| Molecular Weight | 310.36 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1990 |
| Sulfur Atoms | 1 |
Related Propargyl Standards
- Propargyl-PEG3-phosphonic acid diethyl ester (CAS 1052678-30-4)
- Propargyl-PEG3-NHS ester (CAS 1428629-71-3)
- Bis-propargyl-PEG5 (CAS 185378-83-0)
- Propargyl-PEG2-beta-D-glucose (CAS 2353409-73-9)
- Propargyl-PEG4-Boc (CAS 1355197-66-8)
- Propargyl-PEG3-OCH2-Boc (CAS 888010-02-4)
- Propargyl-PEG5-azide (CAS 1589522-62-2)
- Propargyl-PEG6-NH2 (CAS 1198080-04-4)
Recommended Standards
- Dimethyl 3-Hydroxy-3-[2-(ethylsulfonyl)propyl]glutarate (CAS 116007-17-1)
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- 4-(3,5-Dimethyl-1H-pyrazol-1-yl)-6-hydrazino-N-(4-methylphenyl)-1,3,5-triazin-2-amine (CAS 1158287-77-4)
- tert-Butyl 4-(2-amino-3-fluorophenoxy)piperidine-1-carboxylate (CAS 1286264-75-2)
- 3-Chloro-4,5-difluorobenzaldehyde (CAS 1261737-50-1)
- Stearylamine (CAS 124-30-1)
- 3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-ethylbenzoic acid (CAS 2243510-61-2)
- Ethyl 8-(3-bromo-4-methylphenyl)-8-oxooctanoate (CAS 898776-90-4)
- 3-Methyl-4,5,6,7-tetrahydro-2H-isoindole-1-carboxylic acid (CAS 1710195-10-0)
- 4-(2-Iodoacetamido)benzoic acid (CAS 5434-66-2)
- Neuraminic Acid (CAS 114-04-5)
- Dexpanthenol (CAS 81-13-0)
- 5-Bromo-2-chlorobicyclo[4.2.0]Octa-1,3,5-triene-7-carboxylic acid (CAS 1135490-73-1)
- Insulin Degludec Impurity 15 (CAS CATO-C4X-215715)
Why CATO?
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