Website Header with Language Selector and Dropdowns
Type:Impurity Reference Standard
Total Products: 22
Inv. Status:

Pemetrexed Related Products
Cleanchem is a trusted provider of premium pharmaceutical reference materials, specializing in Pemetrexed and its associated compounds. Our catalog includes pharmacopeial and non-pharmacopeial Pemetrexed impurities, metabolites, nitrosamine derivatives (N-NO compounds), and stable isotope-labeled products. These reference standards play a critical role in pharmaceutical R&D, supporting activities such as product formulation, ANDA and DMF submissions, quality assurance, analytical method development, and stability assessments.
All Pemetrexed-related substances undergo comprehensive characterization and are delivered with complete Certificates of Analysis and supporting analytical documentation to ensure regulatory adherence. Upon request, we can offer EP/USP traceable standards. Our products are routinely re-evaluated to maintain consistent quality and performance.
Watermark
Pemetrexed
CAT No: CL-PMT-01 CAS No: 137281-23-3 Mol Wt: 427.4 Mol F: C20H21N5O6 Inv Status: Custom Synthesis
Chemical Name: (4-(2-(2-Amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzoyl)-L-glutamic acid
Watermark
Pemetrexed EP Impurity A
CAT No: CL-PMT-02 CAS No: 869791-42-4 Mol Wt: 441.4 Mol F: C21H23N5O6 Inv Status: Custom Synthesis
Chemical Name: (2S)-2-[4-[2-(2-Amino-1-methyl-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzamido]pentanedioic acid ; {4-[2-(2-Amino-1-methyl-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl}-l-glutamic acid (as per USP)
Watermark
Pemetrexed EP Impurity B
CAT No: CL-PMT-03 CAS No: 1802552-04-0 Mol Wt: 868.8 Mol F: C40H40N10O13 Inv Status: Custom Synthesis
Chemical Name: (2S,2'S)-2,2'-[(45R)-42,52-Diamino-44,46,54-trioxo-41,44,46,47,54,57-hexahydro-45H,51H-4(5,5),5(6,5)-dipyrrolo[2,3-d]pyrimidina-1,8(1)-dibenzenaoctaphane-14,84-dicarboxamido]dipentanedioic acid
Watermark
Pemetrexed EP Impurity C
CAT No: CL-PMT-04 CAS No: 1802552-16-4 Mol Wt: 868.8 Mol F: C40H40N10O13 Inv Status: Custom Synthesis
Chemical Name: (2S,2'S)-2,2'-[(45S)-42,52-Diamino-44,46,54-trioxo-41,44,46,47,54,57-hexahydro-45H,51H-4(5,5),5(6,5)-dipyrrolo[2,3-d]pyrimidina-1,8(1)-dibenzenaoctaphane-14,84-dicarboxamido]dipentanedioic acid
Watermark
Pemetrexed EP Impurity D
CAT No: CL-PMT-05 CAS No:  144051-68-3 Mol Wt: 556.5 Mol F: C25H28N6O9 Inv Status: Custom Synthesis
Chemical Name: (2S)-2-[(4S)-4-[4-[2-(2-Amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzamido]-4-carboxybutanamido]pentanedioic acid ; {4-[2-(2-Amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl}-4-l-glutamyl-l-glutamic acid (as per USP)
Watermark
Pemetrexed EP Impurity E
CAT No: CL-PMT-06 CAS No: 182009-04-7 Mol Wt: 427.4 Mol F: C20H21N5O6 Inv Status: Custom Synthesis
Chemical Name: (2R)-2-[4-[2-(2-Amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzamido]pentanedioic acid
Watermark
Pemetrexed Keto Impurity
CAT No: CL-PMT-07 CAS No: 193281-00-4 Mol Wt: 443.4 Mol F: C20H21N5O7 Inv Status: Custom Synthesis
Chemical Name: (4-(2-(2-Amino-4,6-dioxo-4,5,6,7-tetrahydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzoyl)-L-glutamic acid
Watermark
Pemetrexed Impurity 16
CAT No: CL-PMT-08 CAS No: 193265-47-3 Mol Wt: 314.3 Mol F: C15H14N4O4 Inv Status: Custom Synthesis
Chemical Name: 4-(2-(2-Amino-4,6-dioxo-4,5,6,7-tetrahydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzoic acid
Watermark
Pemetrexed Glutamide Impurity
CAT No: CL-PMT-09 CAS No: NA Mol Wt: 570.6 Mol F: C26H30N6O9 Inv Status: Custom Synthesis
Chemical Name: ((S)-4-(4-(2-(2-Amino-1-methyl-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)-4-carboxybutanoyl)-L-glutamic acid
Watermark
Pemetrexed Impurity 1
CAT No: CL-PMT-10 CAS No:  1265908-64-2 Mol Wt: 441.4 Mol F: C21H23N5O6 Inv Status: Custom Synthesis
Chemical Name: (S)-2-(4-(2-(2-Amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)-5-methoxy-5-oxopentanoic acid
Watermark
Pemetrexed Impurity 2
CAT No: CL-PMT-11 CAS No:  155405-80-4 Mol Wt: 312.3 Mol F: C16H16N4O3 Inv Status: Custom Synthesis
Chemical Name: Methyl 4-(2-(2-amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzoate
Watermark
Pemetrexed Impurity 3
CAT No: CL-PMT-12 CAS No: 1265908-63-1 Mol Wt: 441.4 Mol F: C21H23N5O6 Inv Status: Custom Synthesis
Chemical Name: (S)-4-(4-(2-(2-amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)-5-methoxy-5-oxopentanoic acid
Watermark
Pemetrexed Impurity 18
CAT No: CL-PMT-13 CAS No: 155405-81-5 Mol Wt: 455.5 Mol F: C22H25N5O6 Inv Status: Custom Synthesis
Chemical Name: Dimethyl (4-(2-(2-amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzoyl)-L-glutamate
Watermark
Pemetrexed Impurity 19
CAT No: CL-PMT-14 CAS No: 193281-05-9 Mol Wt: 431.4 Mol F: C19H21N5O7 Inv Status: Custom Synthesis
Chemical Name: (4-(3-(2,6-Diamino-4-oxo-1,4-dihydropyrimidin-5-yl)-3-oxopropyl)benzoyl)-L-glutamic acid
Watermark
Pemetrexed Impurity 20
CAT No: CL-PMT-15 CAS No: NA Mol Wt: 556.5 Mol F: C25H28N6O9 Inv Status: Custom Synthesis
Chemical Name: (4-(2-(2-((S)-4-Amino-4-carboxybutanamido)-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzoyl)-L-glutamic acid
Watermark
Pemetrexed Mixture Of Impurity B & C
CAT No: CL-PMT-16 CAS No: 1644286-34-9 Mol Wt: 868.8 Mol F: C40H40N10O13 Inv Status: Custom Synthesis
Chemical Name: (2S,2'S)-2,2'-((4,4'-((2,2'-Diamino-4,4',6-trioxo-1,4,4',6,7,7'-hexahydro-1'H,5H-[5,6'-bipyrrolo[2,3-d]pyrimidine]-5,5'-diyl)bis(ethane-2,1-diyl))bis(benzoyl))bis(azanediyl))diglutaric acid
Watermark
Pemetrexed Alpha-Hydroxy Lactum
CAT No: CL-PMT-17 CAS No:  1644286-36-1 Mol Wt: 459.4 Mol F: C20H21N5O8 Inv Status: Custom Synthesis
Chemical Name: (4-(2-(2-Amino-5-hydroxy-4,6-dioxo-4,5,6,7-tetrahydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzoyl)-L-glutamic acid
Watermark
Pemetrexed Opened Ring Keto-Formamide
CAT No: CL-PMT-18 CAS No: 1644286-35-0 Mol Wt: 459.4 Mol F: C20H21N5O8 Inv Status: Custom Synthesis
Chemical Name: (4-(3-(2-Amino-6-formamido-4-oxo-1,4-dihydropyrimidin-5-yl)-3-oxopropyl)benzoyl)-D-glutamic acid
Watermark
Pemetrexed Impurity 21
CAT No: CL-PMT-19 CAS No: NA Mol Wt: 942.9 Mol F: C43H46N10O15 Inv Status: Custom Synthesis
Chemical Name: (4-(2-(2,2'-Diamino-5-(4-((1-carboxy-4-(2-carboxyethoxy)-4-oxobutyl)carbamoyl)phenethyl)-6-hydroxy-4,4'-dioxo-4,4',5,6,7,7'-hexahydro-3H,3'H-[5,6'-bipyrrolo[2,3-d]pyrimidin]-5'-yl)ethyl)benzoyl)glutamic acid
Watermark
Pemetrexed Impurity 22
CAT No: CL-PMT-20 CAS No: NA Mol Wt: 626.7 Mol F: C30H38N6O9 Inv Status: Custom Synthesis
Chemical Name: Diethyl (4-(2-(2-((S)-2-amino-5-methoxy-5-oxopentanamido)-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzoyl)-L-glutamate
Watermark
Pemetrexed Epoxy Hemiaminal
CAT No: CL-PMT-21 CAS No: NA Mol Wt: 461.4 Mol F: C20H23N5O8 Inv Status: Custom Synthesis
Chemical Name: (4-(2-(2-Amino-7-hydroxy-4-oxo-4,4a,6,7-tetrahydro-3H-pyrimido[5,4-b][1,4]oxazin-6-yl)ethyl)benzoyl)-L-glutamic acid
Watermark
Pemetrexed Opened Ring Keto Amide
CAT No: CL-PMT-22 CAS No: NA Mol Wt: 430.4 Mol F: C20H22N4O7 Inv Status: Custom Synthesis
Chemical Name: (4-(3-(4,6-Diamino-2-oxo-1,2-dihydropyridin-3-yl)-3-oxopropyl)benzoyl)-L-glutamic acid

info@cleanchemlab.com

+91-9324024871

Products

API Intermediates & KSM
Bile Acid Salts
Common Nitrosamines
Impurity Reference Standard
Miscalleneous Impurities
Nitrosamines & NDSRI
Peptides
Pharma Ingredients & Specialty Chemicals

Popular Links

Home About Us Our Services Contact Us
Address(India):

Plot No. A-737/2, TTC Industrial area,
MIDC, Kopar Khairne, Navi Mumbai, INDIA, 400710

           
Address(Bangladesh):

House No. - 12, Road No. - 17, Nikunja -2,
Khilkhet, Dhaka-1230, Bangladesh.

Subscribe for news letter:
  

© Cleanchem Laboratories LLP. All Rights Reserved.