609771-41-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 609771-41-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,0,9,7,7 and 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 609771-41:
(8*6)+(7*0)+(6*9)+(5*7)+(4*7)+(3*1)+(2*4)+(1*1)=177
177 % 10 = 7
So 609771-41-7 is a valid CAS Registry Number.