19938-27-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19938-27-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,9,3 and 8 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 19938-27:
(7*1)+(6*9)+(5*9)+(4*3)+(3*8)+(2*2)+(1*7)=153
153 % 10 = 3
So 19938-27-3 is a valid CAS Registry Number.