102170-55-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102170-55-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,1,7 and 0 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 102170-55:
(8*1)+(7*0)+(6*2)+(5*1)+(4*7)+(3*0)+(2*5)+(1*5)=68
68 % 10 = 8
So 102170-55-8 is a valid CAS Registry Number.