Impurity reference standards
Pemetrexed impurities & reference standards
Characterised Pemetrexed impurities, degradation products and related compounds for analytical method development, validation, QC release and regulatory filings.
46reference materials
COAHPLC · NMR · MS on request
Parent API: Pemetrexed
137281-23-3 · C20H21N5O6
![4-[2-(2-Amino-4,5,6,7-tetrahydro-4,6-dioxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic Acid chemical structure](/media/structures/XDCYFUHVBXQODS-UHFFFAOYSA-N.svg)
4-[2-(2-Amino-4,5,6,7-tetrahydro-4,6-dioxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic Acid
- CAS
- 193265-47-3
- Formula
- C15H14N4O4
- MW
- 314.3 g/mol
VQ-041374
![4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic Acid Methyl Ester chemical structure](/media/structures/GDEKSBCRJKAARB-UHFFFAOYSA-N.svg)
4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic Acid Methyl Ester
- CAS
- 155405-80-4
- Formula
- C16H16N4O3
- MW
- 312.32 g/mol
VQ-027415
![N-2-[(Dimethylamino)methylene]amino Pemetrexed chemical structure](/media/structures/WTQOMFBCQAJBJV-INIZCTEOSA-N.svg)
N-2-[(Dimethylamino)methylene]amino Pemetrexed
- CAS
- 1265908-58-4
- Formula
- C23H26N6O6
- MW
- 482.5 g/mol
VQ-041377
Pemetrexted Disodium Hydrochloride Impurity -1 (Stage-2)
- CAS
- 92077-74-2
- Formula
- C13H18ClNO4
- MW
- 287.74 g/mol
VQ-005511
Pemetrexted Disodium Hydrochloride Impurity -2 (Stage-1)
- CAS
- 41089-47-8
- Formula
- C13H18ClNO4
- MW
- 287.74 g/mol
VQ-005512
FAQs — Pemetrexed impurities
Which Pemetrexed impurities do you supply?
We list 46 Pemetrexed-related reference materials, including process impurities, degradation products and related compounds. Each is supplied with a COA, and characterisation data (HPLC, 1H-NMR, MS, IR) can be provided on request.
What are Pemetrexed impurity standards used for?
They are used for analytical method development and validation, impurity identification and quantification, forced-degradation and stability studies, and to support ANDA, DMF and other regulatory submissions under ICH Q3A/Q3B (and ICH M7 for mutagenic impurities).
Can you synthesise a Pemetrexed impurity that is not listed?
Yes. Our custom synthesis service can prepare and characterise unlisted impurities, metabolites and labelled analogues from milligram to gram scale. Share the structure or name and required quantity for a quotation.
Request Pemetrexed impurity standards
We reply within one business day with price, pack options, lead time and documentation.