178206-85-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 178206-85-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,2,0 and 6 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 178206-85:
(8*1)+(7*7)+(6*8)+(5*2)+(4*0)+(3*6)+(2*8)+(1*5)=154
154 % 10 = 4
So 178206-85-4 is a valid CAS Registry Number.