71942-48-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71942-48-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,9,4 and 2 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 71942-48:
(7*7)+(6*1)+(5*9)+(4*4)+(3*2)+(2*4)+(1*8)=138
138 % 10 = 8
So 71942-48-8 is a valid CAS Registry Number.