299174-87-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 299174-87-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,9,1,7 and 4 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 299174-87:
(8*2)+(7*9)+(6*9)+(5*1)+(4*7)+(3*4)+(2*8)+(1*7)=201
201 % 10 = 1
So 299174-87-1 is a valid CAS Registry Number.