1-Ethyl-3-methylcyclohexane (cis- and trans- mixture) CAS 3728-55-0
| CAS No. | 3728-55-0 |
| Molecular Formula | C9H18 |
| Molecular Weight | 126.24 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.
1-Ethyl-3-methylcyclohexane (cis- and trans- mixture) (CAS 3728-55-0), molecular formula C9H18 and molecular weight 126.24 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-Ethyl-3-methylcyclohexane (cis- and trans- mixture) (C9H18) contains an organic framework. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 126.24 g/mol, it falls into the low-molecular-weight range.
As a certified reference material (CRM), 1-Ethyl-3-methylcyclohexane (cis- and trans- mixture) 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 | C9H18 |
| Molecular Weight | 126.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1958 |
Related Ethyl Standards
- 1-Ethyl-2-methylcyclohexane (CAS 3728-54-9)
- 1-Ethyl-4-methylcyclohexane (cis- and trans- mixture) (CAS 3728-56-1)
- 2-Methylcyclohexane-1-carbaldehyde (CAS 13076-15-8)
- 3-methylcyclohexane-1-carbaldehyde (CAS 13076-16-9)
- 1-methylcyclohexane-1-carbaldehyde (CAS 6140-64-3)
- 4-Methylcyclohexane-1-carbaldehyde (CAS 33242-79-4)
- 4-Methylcyclohexane-1,3-dione (CAS 14203-46-4)
- 5-Methylcyclohexane-1,3-dione 5-methyl-1,3-cyclohexanedione 5-Methylcyclohexane dione 4341-24-6 (CAS 4341-24-6)
Recommended Standards
- 1,1,4-Trimethylcyclohexane (CAS 7094-27-1)
- 2,4,4-Trimethyl-1-hexene (CAS 51174-12-0)
- 1,1,2-Trimethylcyclohexane (CAS 7094-26-0)
- 2,6-Dimethyl-1-heptene (CAS 3074-78-0)
- 5-Ethyl-3-[4-(4-methoxyphenyl)piperazine-1-carbonyl]-5H,5aH,6H,7H,8H,9H,11H-pyrido[2,1-b]quinazolin-11-one (CAS 1574585-28-6)
- 2-(2-Fluorophenyl)cyclohexan-1-ol (CAS 1247905-31-2)
- (S)-2-(3-(Isopropyl(methyl)amino)piperidin-1-yl)acetic acid (CAS 1354001-07-2)
- 2,4-Bis(4-methylpiperazin-1-yl)aniline (CAS 797813-15-1)
- Methyl 5-fluoro-6-iodonicotinate (CAS 1803767-38-5)
- 3-cyclopropylquinoline (CAS 485402-68-4)
- 2,4'-Bis(trifluoromethyl)-[1,1'-biphenyl]-4-carboxylic acid (CAS 1261788-46-8)
- 3-METHOXY-5-NITROPHENOL (CAS 7145-49-5)
- Ethyl 3-(4-(N,N-dimethylsulfamoyl)phenyl)-3-oxopropanoate (CAS 1292038-94-8)
- D-[Arg]30-Semaglutide (CAS CATO-C4X-222653)
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