Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4-[2-(2-Amino-4,7-dihydro-4-oxo-1H-pymol[2,3-d]pyrimodin-5-yl)ethyl]benzoic acid
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Henan Tianfu Chemical Co., Ltd.
China
Product Name: Pemetrexed acid
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Purity: 99.0%
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Email: info@tianfuchem.com

137281-39-1

137281-39-1 structure

137281-39-1 structure

Name: 4-[2-(2-Amino-4,7-dihydro-4-oxo-1H-pymol[2,3-d]pyrimodin-5-yl)ethyl]benzoic acid
Chemical Name: 4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic Acid
CAS Number: 137281-39-1
Molecular Formula: C₁₅H₁₄N₄O₃
Molecular Weight: 298.297
Create Date: 2018-08-12 19:01:13
Modify Date: 2026-06-30 16:28:59

Name	4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic Acid
Synonyms	]-benzoic acid 4 - [2 - (2-amino-4,7-dihydro-4-ox-1H-pyrrole [2,3-D] pyrimidin-5-yl) ethyl] benzoic acid 4-[2-(2-Amino-4-oxo-4,7-dihydro-3H-pyrroL Pemetrexed Impurity 11 Pemetrexed acid intermediate 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-pymol [2,3-pyrimodin-5-yl]ethyl) benzoic acid 4-[2-(2-Amino-4-oxo-3,7-dihydropyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic Acid Pemetrexed reference substance 2-Amino-4,7-dihydro-5-[2-[4-(carboxy)phenyl]ethyl]-4-oxo-3H-pyrrolo[2,3-d]pyrimidine Hydrate 4-(2-(2-amino-4,7-dihydro-4-oxo-1h-pyrrol(2,3-d)pyrimidin-5-yl)ethyl)benzoic acid 4- 2-(2-Amino-4,7-dihydro-4-oxo-1H-pyrrolo 2 Pemetrexed Intermediate(PMC) 4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl] (ABA) , min 4-(2-(2-Amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzoic acid o[2,3-d]pyrimidin-5-yL EINECS 429-790-9 4-[2-(-Amino-4,7-dihydro-4-oxo-1H-pyMol[2,3-d]pyriModin-5-yl)ethyl]benzoic acid 4-[2-（2-Amino-4-oxo-4,7- Dihydro-3H-pyrrolo[2,3-d]pyrimidine -5-yl）ethyl]benzoic acid PeMetrexed disodiuM INT-4 4-[2-(2-Amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)-ethyl]-benzoic acid d pyriModin -5-yl)ethyl benzoic acid Benzoic acid,4-[2-(2-amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyriMidin-5-yl)ethyl] 4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic Acid Hydrate Pemetrexed Intermediate Benzoic 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-1,7-dihydropyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic acid 4-(2-(2-AMINO-4-OXO-4,7-DIHYDRO-3H-PYRROLO(2,3-D)-PYRIMIDINE-5-YL) ETHYL) BENZOIC ACID 4-(2-(2-Amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl) 4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-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]- (9CI) 4-[2-(2-AMINO-4,7-DIHYDRO-4-OXO-1H-PYMOL[2,3-D]PYRIMODIN-5-YL)ETHYL]BENZOIC ACID pymol-[2,3-d]pyrimidin-5-yl) ethyl] 4-(2-(2-amino-4-oxo-4,7-dihydro US-DMF No. Pemetrexed Impurity 7 4- [2- (2-amino-4,7-dihydro-4-oxo-3H-pyrrolo [2,3] pyrimidin-5-yl) ethyl] benzoic acid 4-[2-(2-Amino-4,7-di 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-3H,4H,7H-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 (intermediate of pemetrexed) 4-[2-(2-Amino-4,7-dihydro-4-oxo-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic Acid Pemetrexed disodium Impurity 13 4-[2-(2-Amino-4,7-dihydro-4-oxo-1H-pymol[2,3-d]pyrimodin-5-y 2-Amino-4,7-dihydro-5-[2-[4-(cboxy)phenyl]ethyl]-4-oxo-3H-pyrrolo[2,3-d]pyrimidine Pemetrexed Intermediate 4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic Acid Hydrate> PeMetrexed IMpurity A Pemetrexed disodium intermediate

Density	1.6±0.1 g/cm3
Boiling Point	609.2±65.0 °C at 760 mmHg
Melting Point	>270ºC (dec.)
Molecular Formula	C₁₅H₁₄N₄O₃
Molecular Weight	298.297
Flash Point	322.2±34.3 °C
Exact Mass	298.106598
PSA	124.86000
LogP	1.96
Vapour Pressure	0.0±1.8 mmHg at 25°C
Index of Refraction	1.746
Storage condition	-20?C Freezer

Hazard Codes	Xi
HS Code	2933990090

Precursor 7
229470-22-8 65874-27-3 146943-27-3 151864-81-2
51934-41-9 126931-32-6 134372-99-9
DownStream 2
146943-43-3 165049-28-5

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%

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