210104-74-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 210104-74-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,0,1,0 and 4 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 210104-74:
(8*2)+(7*1)+(6*0)+(5*1)+(4*0)+(3*4)+(2*7)+(1*4)=58
58 % 10 = 8
So 210104-74-8 is a valid CAS Registry Number.