187041-34-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 187041-34-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,0,4 and 1 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 187041-34:
(8*1)+(7*8)+(6*7)+(5*0)+(4*4)+(3*1)+(2*3)+(1*4)=135
135 % 10 = 5
So 187041-34-5 is a valid CAS Registry Number.