23341-85-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23341-85-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,3,4 and 1 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 23341-85:
(7*2)+(6*3)+(5*3)+(4*4)+(3*1)+(2*8)+(1*5)=87
87 % 10 = 7
So 23341-85-7 is a valid CAS Registry Number.