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Merck
CN

1414025

USP

氨基蝶呤

United States Pharmacopeia (USP) Reference Standard

别名:

4-氨基-PGA, 4-氨基叶酸, N-[4-[[(2,4-二氨基-6-蝶啶)甲基]氨基]苯甲酰]-L-谷氨酸, （S）-2- {4 - [（2,4-二氨基胍-6-基）甲氨基]苯甲酰氨基}戊二酸

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关于此项目

经验公式（希尔记法）:
C19H20N8O5
化学文摘社编号:
54-62-6
分子量:
440.41
MDL number:
MFCD00036692
UNSPSC Code:
41116107
PubChem Substance ID:
329750411
NACRES:
NA.24
Beilstein/REAXYS Number:
69045

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产品名称

氨基蝶呤, United States Pharmacopeia (USP) Reference Standard

SMILES string

Nc1nc(N)c2nc(CNc3ccc(cc3)C(=O)N[C@@H](CCC(O)=O)C(O)=O)cnc2n1

InChI

1S/C19H20N8O5/c20-15-14-16(27-19(21)26-15)23-8-11(24-14)7-22-10-3-1-9(2-4-10)17(30)25-12(18(31)32)5-6-13(28)29/h1-4,8,12,22H,5-7H2,(H,25,30)(H,28,29)(H,31,32)(H4,20,21,23,26,27)/t12-/m0/s1

InChI key

TVZGACDUOSZQKY-LBPRGKRZSA-N

grade

pharmaceutical primary standard

API family

methotrexate

manufacturer/tradename

USP

ε (extinction coefficient)

24,500 at 282 nm in 0.1 M NaOH at 1 M
25,700 at 261 nm in 0.1 M NaOH at 1 M
8,100 at 373 nm in 0.1 M NaOH at 1 M

application(s)

pharmaceutical (small molecule)

format

neat

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相关类别

Biochem/physiol Actions

与二氢叶酸还原酶结合并抑制其活性的叶酸拮抗剂。
叶酸拮抗剂。氨基蝶呤是由叶酸转运蛋白运输至细胞内的。在细胞内，它被叶酰聚谷氨酸合酶转化为一种高分子量的聚谷氨酸盐代谢物，该产物又与二氢叶酸还原酶结合并抑制其活性。氨基蝶呤-聚谷氨酸盐经 γ-谷氨酰基水解酶作用发生细胞内降解。

Other Notes

比甲氨喋呤更有效，但毒性也更强。
Sales restrictions may apply.

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Application

Methotrexate Related Compound B USP reference standard for use in specified quality tests and assays.

Additionally used to prepare standard, standard stock, system suitability, and system suitability stock solutions for impurity analysis in the given below monographs according to United States Pharmacopeia (USP):
  • Methotrexate
  • Methotrexate Injection
  • Methotrexate for Injection

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.
For further information and support please go to the website of the issuing Pharmacopoeia.

pictograms

Skull and crossbonesHealth hazard
GHS06,GHS08

signalword

Danger

Hazard Classifications

Acute Tox. 1 Oral - Eye Irrit. 2 - Muta. 2 - Repr. 1B - Skin Irrit. 2

存储类别

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Methotrexate Injection
United States Pharmacopeia and National Formulary
United States Pharmacopeia, 41(4), 2857-2857 (2020)
Methotrexate
United States Pharmacopeia and National Formulary
United States Pharmacopeia, 47(5), 2854-2854 (2022)
Methotrexate for Injection
United States Pharmacopeia and National Formulary
United States Pharmacopeia, 44(3), 2858-2858 (2020)

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