![Molecular structure of 4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic acid (CAS 137281-39-1)](/images/chem_structures_svg/125/137281-39-1.svg)
4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic acid
Also known as: Pemetrexed acid, 4-(2-(2-Amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzoic acid, 4-(2-(2-Amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzoic acid, 4-[2-(2-Amino-4,7-dihydro-4-oxo-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic Acid, Benzoic acid, 4-[2-(2-amino-4,7-dihydro-4-oxo-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]-, Pemetrexed Intermediate Benzoic Acid
4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic acid (CAS 137281-39-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C15H14N4O3 and a molecular weight of 298.297 g/mol. Key properties include a melting point of >270ºC (dec.), a boiling point of 609.2±65.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 322.2±34.3 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 137281-39-1
- Jingsj CID
- J-1162334-0
- Molecular Formula
- C15H14N4O3
- Molecular Weight
- 298.297 g/mol
- Category
- Pharma Intermediates
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >270ºC (dec.) |
|---|---|
| Boiling Point | 609.2±65.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 322.2±34.3 °C |
| Exact Mass | 298.106598 |
| PSA | 124.86000 |
| LogP | 1.96 |
| Vapor Pressure | 0.0±1.8 mmHg at 25°C |
| Refractive Index | 1.746 |
| Storage Conditions | -20?C Freezer |
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 4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic acid?
The CAS number of 4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic acid is 137281-39-1.
What are the molecular formula and molecular weight of 4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic acid?
4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic acid has molecular formula C15H14N4O3 and molecular weight 298.297 g/mol.
What are the upstream and downstream products of 4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic acid?
For 4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic acid, Upstream Products: tert-Butyl 4-formylbenzoate, ethyl 4-(3-oxopropyl)benzoate, Ethyl 4-iodobenzoate; Downstream Products: Pemetrexed diethyl ester, N-[4-[2-(2-Amino-4,7-dihydro-4-oxo-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]-L-glutamic acid diethyl ester 4-methylbenzenesulfonate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic acid (CAS 137281-39-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1162334-0 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.