3987-54-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3987-54-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,9,8 and 7 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 3987-54:
(6*3)+(5*9)+(4*8)+(3*7)+(2*5)+(1*4)=130
130 % 10 = 0
So 3987-54-0 is a valid CAS Registry Number.