342804-72-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 342804-72-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,2,8,0 and 4 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 342804-72:
(8*3)+(7*4)+(6*2)+(5*8)+(4*0)+(3*4)+(2*7)+(1*2)=132
132 % 10 = 2
So 342804-72-2 is a valid CAS Registry Number.