19947-10-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19947-10-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,9,4 and 7 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 19947-10:
(7*1)+(6*9)+(5*9)+(4*4)+(3*7)+(2*1)+(1*0)=145
145 % 10 = 5
So 19947-10-5 is a valid CAS Registry Number.