39212-54-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39212-54-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,2,1 and 2 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 39212-54:
(7*3)+(6*9)+(5*2)+(4*1)+(3*2)+(2*5)+(1*4)=109
109 % 10 = 9
So 39212-54-9 is a valid CAS Registry Number.