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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Isoleucine, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Isoleucine 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 Isoleucine-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.

Isoleucine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
L-Isoleucine-[13C6] Stable Isotopes CS-I-00659 201740-82-1 Enquire
N-[(+)-Isojasmonoyl]-(S)-isoleucine-15N Stable Isotopes CS-T-96917 Not Available Enquire
N-Fmoc-L-isoleucine-d10 Stable Isotopes CS-T-96958 Not Available Enquire
N-Jasmonyl-L-Isoleucine-d3 (Mixture of Diastereomers) Stable Isotopes CS-T-96912 Not Available Enquire


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
DL-Methioninehydroxyanalog calcium Metabolite CS-P-07240 4857-44-7 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Alpha-Keto-isoleucine Impurity CS-O-14092 66393-67-7 In Stock
Isoleucine Valsartan Impurity CS-T-29809 137862-78-3 In Stock
L-Allo-isoleucine Impurity CS-T-64972 1509-34-8 In Stock
N-ACETYL-DL-ISOLEUCINE Impurity CS-O-51687 2460646-17-5 Enquire
D-Isoleucine Impurity CS-T-29755 319-78-8 Enquire
Ritonavir Isoleucine Analog Impurity CS-EO-00619 Not Available Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4-Hydroxy-L-isoleucine Fine Chemicals CS-M-03320 781658-23-9 In Stock
Calcium 2-Oxo-3-Phenylpropanoate Fine Chemicals CS-MM-11967 51828-93-4 In Stock
Calcium 3-Methyl-2-Oxopentanoate Fine Chemicals CS-MM-12331 66872-75-1 Enquire
Dl-alpha-keto isoleucine calcium Fine Chemicals CS-O-14818 51828-96-7 In Stock
Isoleucine methyl ester Fine Chemicals CS-BL-00101 2577-46-0 Enquire
N-[(Benzyloxy)carbonyl]-L-alanine Fine Chemicals CS-M-47040 1142-20-7 In Stock


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
D-Isoleucine benzyl ester 4-toluenesulfonate salt Building Blocks CS-O-58227 80174-45-4 Enquire
L-Isoleucine Building Blocks CS-O-30624 73-32-5 In Stock
D-Isoleucine Methyl Ester Hydrochloride Building Blocks CS-TB-75569 167223-42-9 Enquire


Peptide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Angiotensin I, 5-L-isoleucine Peptide CS-O-48116 484-42-4 Enquire