150565-99-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 150565-99-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,0,5,6 and 5 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 150565-99:
(8*1)+(7*5)+(6*0)+(5*5)+(4*6)+(3*5)+(2*9)+(1*9)=134
134 % 10 = 4
So 150565-99-4 is a valid CAS Registry Number.