For research use only. Not for therapeutic Use.
L 683519 (Cat.No:I030326) is one of the impurities of Tacrolimus, which is a kind of immunosuppressant and could restrain the activity of FK-506 binding protein.
| Catalog Number | I030326 |
| CAS Number | 132172-14-6 |
| Synonyms | L 683519; L-683519; L683519; 13-Desmethyl FK 506; |
| Molecular Formula | C43H67NO12 |
| Purity | 98% |
| Solubility | Soluble in DMSO |
| Appearance | Solid powder |
| Storage | Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years). |
| IUPAC Name | 16,19-Epoxy-3H-pyrido(2,1-c)(1,4)oxaazacyclotricosine-1,7,20,21(4H,21H)-tetrone, 5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,15,19-trihydroxy-3-(2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl)-14-methoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-, (3S-(3R*(E(1S*,3S*,4S*)),4S*,5R*,8S*,9E,12R*,14R*,15S*,16R*,18S*,19S*,26aR*))- |
| InChI | InChI=1S/C43H67NO12/c1-9-12-30-18-24(2)17-25(3)19-36(54-8)38(48)37-21-27(5)43(52,56-37)40(49)41(50)44-16-11-10-13-31(44)42(51)55-39(28(6)33(46)23-34(30)47)26(4)20-29-14-15-32(45)35(22-29)53-7/h9,18,20,25,27-33,35-39,45-46,48,52H,1,10-17,19,21-23H2,2-8H3/b24-18+,26-20+/t25-,27+,28+,29-,30+,31-,32?,33-,35?,36-,37-,38+,39+,43+/m0/s1 |
| InChIKey | OKRZOXIQNKYTBL-LYJFWTRJSA-N |
| SMILES | O=C([C@@](CCCC1)([H])N1C(C([C@@]2(O)[C@H](C)C[C@@](O2)([H])[C@H](O)[C@@H](OC)C[C@@H](C)C/C(C)=C/[C@H]3CC=C)=O)=O)O[C@H](/C(C)=C/[C@H]4CC(OC)C(O)CC4)[C@H](C)[C@@H](O)CC3=O |
| Reference | 1: Chen TS, Arison BH, Wicker LS, Inamine ES. Microbial transformation of immunosuppressive compounds. II. Specific desmethylation of 13-methoxy group of FK 506 and FR 900520 by an unidentified Actinomycete ATCC 53828 [corrected]. J Antibiot (Tokyo). 1992 Apr;45(4):577-80. Erratum in: J Antibiot (Tokyo) 1992 Jun;45(6):C-2. PubMed PMID: 1375593. |
