170641-93-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 170641-93-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,0,6,4 and 1 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 170641-93:
(8*1)+(7*7)+(6*0)+(5*6)+(4*4)+(3*1)+(2*9)+(1*3)=127
127 % 10 = 7
So 170641-93-7 is a valid CAS Registry Number.