921040-76-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 921040-76-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,1,0,4 and 0 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 921040-76:
(8*9)+(7*2)+(6*1)+(5*0)+(4*4)+(3*0)+(2*7)+(1*6)=128
128 % 10 = 8
So 921040-76-8 is a valid CAS Registry Number.