1259-69-4 Usage
Definition
ChEBI: An L-cysteine derivative that is the amide obtained by formal condensation of the carboxy groups of L-cystine with the amino groups from two molecules of 2-naphthylamine.
Check Digit Verification of cas no
The CAS Registry Mumber 1259-69-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,2,5 and 9 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1259-69:
(6*1)+(5*2)+(4*5)+(3*9)+(2*6)+(1*9)=84
84 % 10 = 4
So 1259-69-4 is a valid CAS Registry Number.
InChI:InChI=1/C26H26N4O2S2/c27-23(25(31)29-21-11-9-17-5-1-3-7-19(17)13-21)15-33-34-16-24(28)26(32)30-22-12-10-18-6-2-4-8-20(18)14-22/h1-14,23-24H,15-16,27-28H2,(H,29,31)(H,30,32)/t23-,24-/m0/s1