3-Ethynylpyrrolidine CAS 1228231-29-5
| CAS No. | 1228231-29-5 |
| Molecular Formula | C6H9N |
| Molecular Weight | 95.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Ethynylpyrrolidine (CAS 1228231-29-5), molecular formula C6H9N and molecular weight 95.14 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-Ethynylpyrrolidine (C6H9N) contains a nitrile group. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 95.14 g/mol, it falls into the low-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 3-Ethynylpyrrolidine 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 | C6H9N |
| Molecular Weight | 95.14 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
Related Ethynylpyrrolidine Standards
- (2S)-2-ethynylpyrrolidine (CAS 128959-91-1)
- 2-Ethynylpyrrolidine (CAS 853304-19-5)
- (S)-2-Ethynylpyrrolidine-1-sulfonamide (CAS 1108658-67-8)
- 1-benzyl-3-ethynylpyrrolidine (CAS 1379029-24-9)
- 2-ethynylpyrrolidine hydrochloride (CAS 1314937-87-5)
- 3-ethynylpyrrolidine hydrochloride (CAS 1427202-26-3)
- (2S)-2-ethynylpyrrolidine;hydrochloride (CAS 190602-33-6)
- (2R)-2-ethynylpyrrolidine hydrochloride (CAS 2199141-10-9)
Recommended Standards
- 2-cyclopropylpropanenitrile (CAS 1096868-18-6)
- (2R)-2-Ethynyl-pyrrolidine (CAS 128959-89-7)
- 2-(1-Methylcyclopropyl)acetonitrile (CAS 1057002-82-0)
- 1,3-Dimethyl-1H-pyrrole (CAS 10524-65-9)
- N-Ethyl-4-(1-phenyl-1H-indazol-3-yl)aniline (CAS 110408-35-0)
- 3-(2,2,2-Trifluoroacetamido)pyrazine-2-carboxylic acid (CAS 1343092-17-0)
- 4-[3-(trifluoromethoxy)phenyl]piperidin-4-ol, trifluoroacetic acid (CAS 1803600-50-1)
- 5-(Dimethoxymethyl)-1H-pyrazole (CAS 111573-59-2)
- 2,5-dichloro-7-methoxy-3,4-dihydroquinazolin-4-one (CAS 601516-86-3)
- 2-(4-(Aminomethyl)-2-(difluoromethyl)-6-iodopyridin-3-yl)acetic acid (CAS 1807152-58-4)
- D-Glucurono-3,6-lactone (CAS 32499-92-6)
- 2-(3-Amino-1h-pyrazol-1-yl)butanoic acid (CAS 1340499-68-4)
- Ketoprofen Impurity 81 (CAS CATO-C4X-147181)
- D-[Thr]5-Semaglutide (CAS CATO-C4X-2226245)
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