305847-23-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 305847-23-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,5,8,4 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 305847-23:
(8*3)+(7*0)+(6*5)+(5*8)+(4*4)+(3*7)+(2*2)+(1*3)=138
138 % 10 = 8
So 305847-23-8 is a valid CAS Registry Number.