175773-90-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 175773-90-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,5,7,7 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 175773-90:
(8*1)+(7*7)+(6*5)+(5*7)+(4*7)+(3*3)+(2*9)+(1*0)=177
177 % 10 = 7
So 175773-90-7 is a valid CAS Registry Number.