63917-71-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 63917-71-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,9,1 and 7 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 63917-71:
(7*6)+(6*3)+(5*9)+(4*1)+(3*7)+(2*7)+(1*1)=145
145 % 10 = 5
So 63917-71-5 is a valid CAS Registry Number.
InChI:InChI=1/C22H26N2O5/c1-12(25)24-16-8-6-13-10-19(27-3)21(28-4)22(29-5)20(13)14-7-9-17(23-2)18(26)11-15(14)16/h7,9-11,16H,6,8H2,1-5H3,(H,23,26)(H,24,25)