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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Citrulline, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Citrulline impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Citrulline-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Citrulline Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
L-Citrulline (1,2,3,4,5-13C5) Stable Isotopes CS-O-35975 955954-27-5 Enquire
L-Citrulline D2 Stable Isotopes CS-CX-00244 1021439-17-7 Enquire
L-Citrulline-[D7] Stable Isotopes CS-I-00091 372-75-8(Unlabeled) Enquire
L-Citrulline-[D7] (Solution) Stable Isotopes CS-I-00639 2483831-24-7 Enquire
L-Citrulline-d6 Stable Isotopes CS-T-72183 1331908-61-2 Enquire
L-Citrulline-d7 Stable Isotopes CS-T-95455 2483831-24-7 Enquire
L-Homocitrulline-2,6,6-d3 Stable Isotopes CS-O-40094 1190-49-4 (Unlabeled) Enquire


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
D-Citrulline API Standards CS-T-72132 13594-51-9 Enquire
DL-Citrulline API Standards CS-O-30577 627-77-0 In Stock
L-Citrulline API Standards CS-T-13040 372-75-8 In Stock
L-Homocitrulline API Standards CS-T-55670 1190-49-4 In Stock


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Boc-L-thiocitrulline tert-Butyl Ester Impurities CS-T-07727 133565-49-8 Enquire
S-Methyl-L-thiocitrulline Dihydrochloride Impurities CS-T-35217 156719-39-0 Enquire


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
L-Citrulline DL-Malate Intermediates CS-T-71947 70796-17-7 In Stock
N-Acetyl-L-citrulline Intermediates CS-ED-11696 33965-42-3 Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Fmoc-L-homocitrulline Building Blocks CS-T-74528 201485-17-8 Enquire