1047645-87-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1047645-87-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,7,6,4 and 5 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1047645-87:
(9*1)+(8*0)+(7*4)+(6*7)+(5*6)+(4*4)+(3*5)+(2*8)+(1*7)=163
163 % 10 = 3
So 1047645-87-3 is a valid CAS Registry Number.