19457-36-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19457-36-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,4,5 and 7 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 19457-36:
(7*1)+(6*9)+(5*4)+(4*5)+(3*7)+(2*3)+(1*6)=134
134 % 10 = 4
So 19457-36-4 is a valid CAS Registry Number.
InChI:InChI=1/C31H38BrNO6/c1-19(38-26(35)20-4-7-22(32)8-5-20)23-10-11-30-24-9-6-21-16-29(36)13-12-27(21,2)31(24,39-29)25(34)17-28(23,30)18-33(3)14-15-37-30/h4-5,7-10,19,21,25,34,36H,6,11-18H2,1-3H3