157623-04-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157623-04-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,6,2 and 3 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 157623-04:
(8*1)+(7*5)+(6*7)+(5*6)+(4*2)+(3*3)+(2*0)+(1*4)=136
136 % 10 = 6
So 157623-04-6 is a valid CAS Registry Number.