19738-41-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19738-41-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,7,3 and 8 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 19738-41:
(7*1)+(6*9)+(5*7)+(4*3)+(3*8)+(2*4)+(1*1)=141
141 % 10 = 1
So 19738-41-1 is a valid CAS Registry Number.