![Molecular structure of (3S)-2,3,4,9-Tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid (CAS 42438-90-4)](/images/chem_structures_svg/140/42438-90-4.svg)
(3S)-2,3,4,9-Tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid
Also known as: L-1,2,3,4-Tetrahydronorharman-3-carboxylic acid, (S)-(-)-2,3,4,9-Tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid, (3S)-2,3,4,9-Tetrahydro-1H-beta-carboline-3-carboxylic acid, TNCA, H-TPI-OH, H-THNH(3)-OH, L-1,2,3,4-Tetrahydro-9H-pyrido[3,4-b]indole-3-carboxylic acid, L-2,3,4-Tetrahydro-beta-carboline-3-carboxylic acid, L-Tryptoline-3-carboxylic acid, Lycoperodine 1, MFCD00272641
(3S)-2,3,4,9-Tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid (CAS 42438-90-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H12N2O2 and a molecular weight of 216.236 g/mol. Key properties include a melting point of 289 °C (dec.)(lit.), a boiling point of 485.0±45.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 247.1±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 42438-90-4
- Jingsj CID
- J-17043-4
- Molecular Formula
- C12H12N2O2
- Molecular Weight
- 216.236 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 289 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 485.0±45.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 247.1±28.7 °C |
| Exact Mass | 216.089874 |
| PSA | 65.12000 |
| LogP | 0.78 |
| Vapor Pressure | 0.0±1.3 mmHg at 25°C |
| Refractive Index | 1.692 |
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 (3S)-2,3,4,9-Tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid?
The CAS number of (3S)-2,3,4,9-Tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid is 42438-90-4.
What are the molecular formula and molecular weight of (3S)-2,3,4,9-Tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid?
(3S)-2,3,4,9-Tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid has molecular formula C12H12N2O2 and molecular weight 216.236 g/mol.
What are the upstream and downstream products of (3S)-2,3,4,9-Tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid?
For (3S)-2,3,4,9-Tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid, Upstream Products: Formaldehyde, L-Tryptophan; Downstream Products: Norharmane, (S)-2-(tert-Butoxycarbonyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid, Methyl β-carboline-3-carboxylate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(3S)-2,3,4,9-Tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid (CAS 42438-90-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17043-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.