163807-87-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 163807-87-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,3,8,0 and 7 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 163807-87:
(8*1)+(7*6)+(6*3)+(5*8)+(4*0)+(3*7)+(2*8)+(1*7)=152
152 % 10 = 2
So 163807-87-2 is a valid CAS Registry Number.