191787-58-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 191787-58-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,1,7,8 and 7 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 191787-58:
(8*1)+(7*9)+(6*1)+(5*7)+(4*8)+(3*7)+(2*5)+(1*8)=183
183 % 10 = 3
So 191787-58-3 is a valid CAS Registry Number.