A    B    C    D    E    F    G    H    I    J    K    L    M    N    O    P    Q    R    S    T    U    V    W    X    Y    Z    
Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Cystine, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Cystine 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 Cystine-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.

Cystine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
L-Cystine dimethyl ester 15N2 D6 Stable Isotopes CS-O-45478 1069-29-0 (Unlabelled) Enquire
L-Cystine-15N2 Stable Isotopes CS-BX-03046 952407-61-3 Enquire
L-Cystine-S34 Stable Isotopes CS-O-51936 113512-08-6 Enquire
L-Cystine-S34 Stable Isotopes CS-O-40541 56-89-3 (Unlabeled) Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
L-Cystine Fine Chemicals CS-O-11015 56-89-3 In Stock
L-Cystine Hydrochloride Fine Chemicals CS-O-15501 34760-60-6 In Stock
L-Selenocystine Fine Chemicals CS-DA-00414 29621-88-3 In Stock


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
L-Cystine Dimethyl Ester Building Blocks CS-EO-03287 1069-29-0 Enquire