1338703-87-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1338703-87-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,8,7,0 and 3 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1338703-87:
(9*1)+(8*3)+(7*3)+(6*8)+(5*7)+(4*0)+(3*3)+(2*8)+(1*7)=169
169 % 10 = 9
So 1338703-87-9 is a valid CAS Registry Number.