33442-56-7 Usage
Uses
Erythromycin D is impurity of Erythromycin, which is an antibiotic.
Check Digit Verification of cas no
The CAS Registry Mumber 33442-56-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,4,4 and 2 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 33442-56:
(7*3)+(6*3)+(5*4)+(4*4)+(3*2)+(2*5)+(1*6)=97
97 % 10 = 7
So 33442-56-7 is a valid CAS Registry Number.
InChI:InChI=1/C36H65NO12/c1-13-25-19(4)28(39)20(5)27(38)17(2)15-36(10,44)32(49-34-29(40)24(37(11)12)14-18(3)45-34)21(6)30(22(7)33(42)47-25)48-26-16-35(9,43)31(41)23(8)46-26/h17-26,28-32,34,39-41,43-44H,13-16H2,1-12H3/t17-,18-,19+,20+,21+,22-,23+,24+,25-,26+,28+,29-,30+,31-,32-,34+,35-,36-/m1/s1