69423-71-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69423-71-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,4,2 and 3 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 69423-71:
(7*6)+(6*9)+(5*4)+(4*2)+(3*3)+(2*7)+(1*1)=148
148 % 10 = 8
So 69423-71-8 is a valid CAS Registry Number.
InChI:InChI=1/C31H38O12/c1-9-13(2)29(38)43-25-22-14(3)10-20(35)27(41-18(7)34)30(22,8)26-23(37)24(40-17(6)33)15(4)19-11-21(36)42-28(25)31(19,26)12-39-16(5)32/h9-10,15,19,22,24-28H,11-12H2,1-8H3/b13-9+/t15-,19+,22-,24-,25-,26?,27-,28?,30+,31+/m1/s1