78004-23-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78004-23-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,0,0 and 4 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 78004-23:
(7*7)+(6*8)+(5*0)+(4*0)+(3*4)+(2*2)+(1*3)=116
116 % 10 = 6
So 78004-23-6 is a valid CAS Registry Number.