Formulation: A solid
Formal Name: Cystine-3,3,3′,3′-d4
Purity: ≥99% deuterated forms (d1-d4)
Formula Markup: C6H8D4N2O4S2
Formula Weight: 244,3
Shelf life (days): 1460
CAS Number: 108641-83-4
Notes: DL-Cystine-d4 is intended for use as an internal standard for the quantification of cystine by GC- or LC-MS. DL-Cystine is a racemic mixture of D- and L-cystine. D-Cystine is an inactive enantiomer of L-cystine (Item No. 31727), an oxidized form of cysteine (Item No. 33309).{61812}