57457-66-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57457-66-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,4,5 and 7 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 57457-66:
(7*5)+(6*7)+(5*4)+(4*5)+(3*7)+(2*6)+(1*6)=156
156 % 10 = 6
So 57457-66-6 is a valid CAS Registry Number.
InChI:InChI=1/C16H21N3O5S/c1-16(2)11(15(23)24)19-13(25-16)10(14(21)22)18-12(20)9(17)8-6-4-3-5-7-8/h3-7,9-11,13,19H,17H2,1-2H3,(H,18,20)(H,21,22)(H,23,24)