3948-04-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3948-04-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,9,4 and 8 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 3948-04:
(6*3)+(5*9)+(4*4)+(3*8)+(2*0)+(1*4)=107
107 % 10 = 7
So 3948-04-7 is a valid CAS Registry Number.