rel-(1R,2S)-2-Methylcyclopropane-1-carbaldehyde CAS 139765-03-0
| CAS No. | 139765-03-0 |
| Molecular Formula | C5H8O |
| Molecular Weight | 84.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), rel-(1R,2S)-2-Methylcyclopropane-1-carbaldehyde 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.
rel-(1R,2S)-2-Methylcyclopropane-1-carbaldehyde (CAS 139765-03-0), molecular formula C5H8O and molecular weight 84.12 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of rel-(1R,2S)-2-Methylcyclopropane-1-carbaldehyde (C5H8O) is characterized by a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H8O |
| Molecular Weight | 84.12 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1996 |
Recommended Standards
- [(1S)-2-Methylidenecyclopropyl]methanol (CAS 139242-82-3)
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- Methyl allyl ketone (CAS 13891-87-7)
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- N-((6-Methyl-7-nitro-1,2,3,4-tetrahydroquinolin-2-yl)methyl)propan-2-amine methanesulfonate (CAS 22982-78-1)
- tert-Butyl (S)-(1-(5-bromopyridin-2-yl)ethyl)carbamate (CAS 915720-71-7)
- (1-(Thiophen-2-ylsulfonyl)piperidin-2-yl)methanamine hydrochloride (CAS 1261235-96-4)
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- 1-Isopropyl-2-methylindoline-5-carbaldehyde (CAS 179406-45-2)
- 1-(3-Aminopiperidin-1-yl)prop-2-en-1-one (CAS 1250506-63-8)
- 3-Oxo-2-azabicyclo[2.2.2]Octane-1-carboxamide (CAS 21121-49-3)
- Tirzepatide Impurity 18 (CAS CATO-C4X-324018)
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