102557-52-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102557-52-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,5,5 and 7 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 102557-52:
(8*1)+(7*0)+(6*2)+(5*5)+(4*5)+(3*7)+(2*5)+(1*2)=98
98 % 10 = 8
So 102557-52-8 is a valid CAS Registry Number.