212074-83-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 212074-83-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,2,0,7 and 4 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 212074-83:
(8*2)+(7*1)+(6*2)+(5*0)+(4*7)+(3*4)+(2*8)+(1*3)=94
94 % 10 = 4
So 212074-83-4 is a valid CAS Registry Number.