156406-07-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156406-07-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,4,0 and 6 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 156406-07:
(8*1)+(7*5)+(6*6)+(5*4)+(4*0)+(3*6)+(2*0)+(1*7)=124
124 % 10 = 4
So 156406-07-4 is a valid CAS Registry Number.