817170-37-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 817170-37-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,7,1,7 and 0 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 817170-37:
(8*8)+(7*1)+(6*7)+(5*1)+(4*7)+(3*0)+(2*3)+(1*7)=159
159 % 10 = 9
So 817170-37-9 is a valid CAS Registry Number.