1607802-70-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1607802-70-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,7,8,0 and 2 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1607802-70:
(9*1)+(8*6)+(7*0)+(6*7)+(5*8)+(4*0)+(3*2)+(2*7)+(1*0)=159
159 % 10 = 9
So 1607802-70-9 is a valid CAS Registry Number.