1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine
Also known as: MPTP, N-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine, 1,2,3,6-Tetrahydro-1-methyl-4-phenylpyridine, NSC 139654, 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine, free base
1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (CAS 28289-54-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H15N and a molecular weight of 173.254 g/mol. Key properties include a melting point of aprox. 36ºC, a boiling point of 258.6±0.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 105.8±21.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 28289-54-5
- Jingsj CID
- J-35078-7
- Molecular Formula
- C12H15N
- Molecular Weight
- 173.254 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | aprox. 36ºC |
|---|---|
| Boiling Point | 258.6±0.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 105.8±21.2 °C |
| Exact Mass | 173.120453 |
| PSA | 3.24000 |
| LogP | 2.28 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.553 |
Customs & Trade Information
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine?
The CAS number of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine is 28289-54-5.
What are the molecular formula and molecular weight of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine?
1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine has molecular formula C12H15N and molecular weight 173.254 g/mol.
What are the upstream and downstream products of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine?
For 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine, Upstream Products: 1-Methyl-4-phenylpiperidin-4-ol, 1-Methyl-4-piperidone, Phenyllithium; Downstream Products: 1-Methyl-4-phenylpiperidin-4-ol, 4-Phenylpyridine, 4-Phenyl-1,2,3,6-tetrahydropyridine hydrochloride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (CAS 28289-54-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35078-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.