74690-92-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74690-92-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,6,9 and 0 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 74690-92:
(7*7)+(6*4)+(5*6)+(4*9)+(3*0)+(2*9)+(1*2)=159
159 % 10 = 9
So 74690-92-9 is a valid CAS Registry Number.
InChI:InChI=1/C27H38O7/c1-8-19(28)34-23-14(4)11-26-15(5)9-18-20(25(18,6)7)17(22(26)30)10-16(21(29)27(23,26)32)12-33-24(31)13(2)3/h10-11,13,15,17-18,20-21,23,29,32H,8-9,12H2,1-7H3