156205-78-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156205-78-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,2,0 and 5 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 156205-78:
(8*1)+(7*5)+(6*6)+(5*2)+(4*0)+(3*5)+(2*7)+(1*8)=126
126 % 10 = 6
So 156205-78-6 is a valid CAS Registry Number.