The CAS Registry Mumber 53871-94-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,8,7 and 1 respectively; the second part has 2 digits, 9 and 4 respectively. Calculate Digit Verification of CAS Registry Number 53871-94: (7*5)+(6*3)+(5*8)+(4*7)+(3*1)+(2*9)+(1*4)=146 146 % 10 = 6 So 53871-94-6 is a valid CAS Registry Number.
Studies on encephalitogenic fragments of myelin protein. III. Synthesis of H Arg Phe Ser Trp Gly Ala Glu Gly Asn Arg OH as an analog of encephalitogenic decapeptide