20512-31-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20512-31-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,5,1 and 2 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 20512-31:
(7*2)+(6*0)+(5*5)+(4*1)+(3*2)+(2*3)+(1*1)=56
56 % 10 = 6
So 20512-31-6 is a valid CAS Registry Number.
InChI:InChI=1/C28H46O7/c1-15(16(2)14-29)10-24(33)27(5,34)23-7-9-28(35)18-11-20(30)19-12-21(31)22(32)13-25(19,3)17(18)6-8-26(23,28)4/h11,15-17,19,21-24,29,31-35H,6-10,12-14H2,1-5H3/t15-,16?,17+,19+,21-,22+,23+,24-,25-,26-,27-,28-/m1/s1