257932-07-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 257932-07-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,7,9,3 and 2 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 257932-07:
(8*2)+(7*5)+(6*7)+(5*9)+(4*3)+(3*2)+(2*0)+(1*7)=163
163 % 10 = 3
So 257932-07-3 is a valid CAS Registry Number.
InChI:InChI=1/C11H11ClN4O3/c12-7-6-8(15-4-2-1-3-5-15)11(16(17)18)10-9(7)13-19-14-10/h6H,1-5H2