128142-69-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128142-69-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,1,4 and 2 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 128142-69:
(8*1)+(7*2)+(6*8)+(5*1)+(4*4)+(3*2)+(2*6)+(1*9)=118
118 % 10 = 8
So 128142-69-8 is a valid CAS Registry Number.
InChI:InChI=1/C23H40O19/c1-6-11(28)16(33)19(36)21(38-6)37-5-7(27)12(29)13(30)8(2-24)40-23-20(17(34)14(31)9(3-25)41-23)42-22-18(35)15(32)10(4-26)39-22/h2,6-23,25-36H,3-5H2,1H3