1619-87-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1619-87-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,1 and 9 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1619-87:
(6*1)+(5*6)+(4*1)+(3*9)+(2*8)+(1*7)=90
90 % 10 = 0
So 1619-87-0 is a valid CAS Registry Number.