581785-29-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 581785-29-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,8,1,7,8 and 5 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 581785-29:
(8*5)+(7*8)+(6*1)+(5*7)+(4*8)+(3*5)+(2*2)+(1*9)=197
197 % 10 = 7
So 581785-29-7 is a valid CAS Registry Number.