81307-43-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81307-43-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,3,0 and 7 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 81307-43:
(7*8)+(6*1)+(5*3)+(4*0)+(3*7)+(2*4)+(1*3)=109
109 % 10 = 9
So 81307-43-9 is a valid CAS Registry Number.
InChI:InChI=1/C38H46O11/c1-18-9-12-29(46-22(5)40)19(2)14-28-30(47-23(6)41)15-25(17-39)16-38(28)35(44)31(36(45)49-38)34(43)37(8)27(18)11-10-26-32(37)20(3)13-21(4)33(26)48-24(7)42/h9-11,14-15,17,20-21,26-30,32-33,45H,12-13,16H2,1-8H3/b18-9-,19-14+/t20-,21-,26-,27-,28+,29-,30-,32+,33-,37+,38?/m0/s1