The CAS Registry Mumber 174638-35-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,4,6,3 and 8 respectively; the second part has 2 digits, 3 and 5 respectively. Calculate Digit Verification of CAS Registry Number 174638-35: (8*1)+(7*7)+(6*4)+(5*6)+(4*3)+(3*8)+(2*3)+(1*5)=158 158 % 10 = 8 So 174638-35-8 is a valid CAS Registry Number.
Get Best Price for174638-35-8(S)-2-{[5-((R)-2-tert-Butoxycarbonylamino-3-tritylsulfanyl-propionylamino)-naphthalene-1-carbonyl]-amino}-4-methylsulfanyl-butyric acid