339291-87-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 339291-87-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,9,2,9 and 1 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 339291-87:
(8*3)+(7*3)+(6*9)+(5*2)+(4*9)+(3*1)+(2*8)+(1*7)=171
171 % 10 = 1
So 339291-87-1 is a valid CAS Registry Number.