354988-81-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 354988-81-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,5,4,9,8 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 354988-81:
(8*3)+(7*5)+(6*4)+(5*9)+(4*8)+(3*8)+(2*8)+(1*1)=201
201 % 10 = 1
So 354988-81-1 is a valid CAS Registry Number.