43188-50-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 43188-50-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,3,1,8 and 8 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 43188-50:
(7*4)+(6*3)+(5*1)+(4*8)+(3*8)+(2*5)+(1*0)=117
117 % 10 = 7
So 43188-50-7 is a valid CAS Registry Number.