870105-34-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 870105-34-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,0,1,0 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 870105-34:
(8*8)+(7*7)+(6*0)+(5*1)+(4*0)+(3*5)+(2*3)+(1*4)=143
143 % 10 = 3
So 870105-34-3 is a valid CAS Registry Number.