Skip to Content
Merck
All Photos(1)

Documents

D1393

Sigma-Aldrich

4-(N-[2,4-Diamino-6-pteridinylmethyl]amino)benzoic acid sodium salt

≥95% (TLC)

Synonym(s):

4-Amino-4-deoxypteroic acid

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Linear Formula:
C14H12N7O2Na
CAS Number:
100929-45-1
Molecular Weight:
333.28
MDL number:
MFCD00006709
UNSPSC Code:
12352106
PubChem Substance ID:
24893425
NACRES:
NA.28

biological source

synthetic (organic)

Assay

≥95% (TLC)

form

powder

color

yellow to orange

SMILES string

[Na+].Nc1nc(N)c2nc(CNc3ccc(cc3)C([O-])=O)cnc2n1

InChI

1S/C14H13N7O2.Na/c15-11-10-12(21-14(16)20-11)18-6-9(19-10)5-17-8-3-1-7(2-4-8)13(22)23;/h1-4,6,17H,5H2,(H,22,23)(H4,15,16,18,20,21);/q;+1/p-1

InChI key

NDXULQWYAMJQGC-UHFFFAOYSA-M

Looking for similar products? Visit Product Comparison Guide

Application

4-(N-[2,4-Diamino-6-pteridinylmethyl]amino)benzoic acid is an impurity found in methotrexate preparations. It may be used as a reference compound in methothrexate purity analysis.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302 + H312 + H332

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Roberto Gotti et al.
Electrophoresis, 25(16), 2830-2837 (2004-09-08)
A cyclodextrin-modified micellar electrokinetic chromatographic (CD-MEKC) method for the determination of the most important potential impurities of methotrexate (MTX): 2,4-diamino-6-(hydroxymethyl)pteridine, aminopterine hydrate, 4-[N-(2-amino-4-hydroxy-6-pteridinylmethyl)-N-methylamino] benzoic acid, 4-[N-(2,4-diamino-6-pteridinylmethyl)-N-methylamino] benzoic acid, and the distomer D-MTX is presented. The MEKC separation of these compounds

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service