856330-71-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 856330-71-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,6,3,3 and 0 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 856330-71:
(8*8)+(7*5)+(6*6)+(5*3)+(4*3)+(3*0)+(2*7)+(1*1)=177
177 % 10 = 7
So 856330-71-7 is a valid CAS Registry Number.