2163-40-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2163-40-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,1,6 and 3 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 2163-40:
(6*2)+(5*1)+(4*6)+(3*3)+(2*4)+(1*0)=58
58 % 10 = 8
So 2163-40-8 is a valid CAS Registry Number.
InChI:InChI=1/C30H46O7/c1-25(2)10-11-29(24(36)37)12-13-30(16-31)17(18(29)14-25)6-7-20-26(3)15-19(32)22(33)28(5,23(34)35)21(26)8-9-27(20,30)4/h6,18-22,31-33H,7-16H2,1-5H3,(H,34,35)(H,36,37)/t18-,19-,20+,21+,22-,26+,27+,28-,29-,30-/m0/s1