921141-97-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 921141-97-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,1,1,4 and 1 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 921141-97:
(8*9)+(7*2)+(6*1)+(5*1)+(4*4)+(3*1)+(2*9)+(1*7)=141
141 % 10 = 1
So 921141-97-1 is a valid CAS Registry Number.