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Merck
CN

05238

Supelco

红霉素 A 烯醇醚

analytical standard

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关于此项目

经验公式（希尔记法）:
C37H65NO12
化学文摘社编号:
33396-29-1
分子量:
715.91
UNSPSC代码:
41116107
NACRES:
NA.24

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等级

analytical standard

质量水平

100

方案

≥95% (HPLC)

保质期

limited shelf life, expiry date on the label

技术

HPLC: suitable
gas chromatography (GC): suitable

应用

forensics and toxicology
pharmaceutical (small molecule)
veterinary

包装形式

neat

SMILES字符串

CC[C@H]1OC(=O)[C@H](C)[C@@H](O[C@H]2C[C@@](C)(OC)[C@@H](O)[C@H](C)O2)[C@H](C)[C@@H](O[C@@H]3O[C@H](C)C[C@@H](C3O)N(C)C)[C@@]4(C)CC(C)=C(O4)[C@H](C)[C@@H](O)[C@]1(C)O

InChI

1S/C37H65NO12/c1-14-25-37(10,43)30(40)20(4)28-18(2)16-36(9,50-28)32(49-34-27(39)24(38(11)12)15-19(3)45-34)21(5)29(22(6)33(42)47-25)48-26-17-35(8,44-13)31(41)23(7)46-26/h19-27,29-32,34,39-41,43H,14-17H2,1-13H3/t19-,20+,21+,22-,23+,24+,25-,26+,27-,29+,30-,31+,32-,34+,35-,36-,37-/m1/s1

InChI key

JFVYXJKGJMUGRG-KJPZRSJGSA-N

相关类别

一般描述

Erythromycin A enol ether (EAEN) is an acidic degradation product of erythromycin A (EA) which is grouped under the macrolide antibiotic class of compounds.

应用

EAEN has been used for the analysis of EAEN as degradation product of EA in honey by ultra-performance liquid chromatography equipped with tandem quadrupole mass spectrometer (UPLC-MS/MS) with positive electrospray ionisation (ESI) operating on multiple reaction monitoring (MRM) mode and in rat′s blood plasma, serum and human urine by high performance liquid chromatography-coulometric assay. It may be used as a reference standard for the detection of EAEN in erythromycin fractions by isocratic LC with evaporative light scattering detection (ELSD) and ion trap MS and in commercial erythromycin samples by LC-MS/MS.

包装

Bottomless glass bottle. Contents are inside inserted fused cone.

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)

法规信息

涉药品监管产品
此项目有

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCL0372
BCCF0025
BCBZ4501
BCBW1058
BCBT9997

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T Nakamura et al.
Clinical therapeutics, 16(6), 989-999 (1994-11-01)
EM523L, a newly developed erythromycin derivative, has a powerful motilin-like biologic effect and no antibacterial activity. In this pilot study, EM523L was administered to six patients with diabetic gastroparesis, and its effects on gastric emptying function and the change in
Development of an enhanced separation of erythromycin and its related substances by liquid chromatography.
Deubel A and Holzgrabe U
Journal of Pharmaceutical and Biomedical Analysis, 43(2), 493-498 (2007)
Y Funabashi et al.
The Journal of antibiotics, 49(8), 794-801 (1996-08-01)
Two motilides, EM574 (N-demethyl-N-isopropyl-8,9-anhydroerythromycin A 6,9-hemiacetal) and EM523 (N-demethyl-N-ethyl-8,9-anhydroerythromycin A 6,9-hemiacetal) have strong gastrointestinal motor stimulating (GMS) activity. When administered orally to dogs, these agents showed strong GMS activity, but their plasma levels were very low and the metabolites which
H Monji et al.
Journal of chromatography. B, Biomedical sciences and applications, 690(1-2), 305-313 (1997-03-07)
A method for the simultaneous determination of de(N-methyl)-N-ethyl-8,9 -anhydroerythromycin A 6,9-hemiacetal (EM523, I) and its three metabolites in human plasma and urine has been developed using high-performance liquid chromatography (HPLC) with chemiluminescence (CL) detection. Plasma and urine samples spiked with
N Inatomi et al.
Japanese journal of pharmacology, 63(2), 209-217 (1993-10-01)
The effect of EM523 [de(N-methyl)-N-ethyl-8,9-anhydroerythromycin A 6,9-hemiacetal], an erythromycin derivative, on gastrointestinal motility was investigated using conscious dogs in the fasting state, and it was compared with those of motilin and prostaglandin F2 alpha (PGF2 alpha). EM523 and motilin given
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