164071-70-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 164071-70-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,4,0,7 and 1 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 164071-70:
(8*1)+(7*6)+(6*4)+(5*0)+(4*7)+(3*1)+(2*7)+(1*0)=119
119 % 10 = 9
So 164071-70-9 is a valid CAS Registry Number.