3899-15-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3899-15-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,8,9 and 9 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 3899-15:
(6*3)+(5*8)+(4*9)+(3*9)+(2*1)+(1*5)=128
128 % 10 = 8
So 3899-15-8 is a valid CAS Registry Number.