21288-60-8 Usage
Definition
ChEBI: A carboxylic ester that is the methyl ester of (1R,2R,4S)-2-ethyl-2,4,5,7,12-pentahydroxy-6,11-dioxo-1,2,3,4,6,11-hexahydrotetracene-1-carboxylic acid.
Check Digit Verification of cas no
The CAS Registry Mumber 21288-60-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,2,8 and 8 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 21288-60:
(7*2)+(6*1)+(5*2)+(4*8)+(3*8)+(2*6)+(1*0)=98
98 % 10 = 8
So 21288-60-8 is a valid CAS Registry Number.
InChI:InChI=1/C22H20O9/c1-3-22(30)7-10(24)12-13(16(22)21(29)31-2)20(28)14-15(19(12)27)18(26)11-8(17(14)25)5-4-6-9(11)23/h4-6,10,16,23-24,27-28,30H,3,7H2,1-2H3/t10-,16-,22+/m0/s1