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MilliporeSigma

46256

Supelco

Erythromycin A hydrate

VETRANAL®, analytical standard

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About This Item

Empirical Formula (Hill Notation):
C37H67NO13 · xH2O
CAS Number:
207291-29-0
Molecular Weight:
733.93 (anhydrous basis)
EC Number:
204-040-1
MDL number:
MFCD16661001
UNSPSC Code:
41116107
PubChem Substance ID:
329757110
NACRES:
NA.24

Key Documents

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grade

analytical standard

Quality Level

200

product line

VETRANAL®

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

application(s)

clinical testing

format

neat

SMILES string

N([C@@H]1[C@H]([C@@H](O[C@@H](C1)C)O[C@@H]2[C@H]([C@@H]([C@H](C(=O)O[C@@H]([C@]([C@@H]([C@H](C(=O)C(C[C@]2(O)C)C)C)O)(O)C)CC)C)O[C@@H]3O[C@H]([C@@H]([C@@](C3)(OC)C)O)C)C)O)(C)C.O.O

InChI

1S/C37H67NO13.2H2O/c1-14-25-37(10,45)30(41)20(4)27(39)18(2)16-35(8,44)32(51-34-28(40)24(38(11)12)15-19(3)47-34)21(5)29(22(6)33(43)49-25)50-26-17-36(9,46-13)31(42)23(7)48-26;;/h18-26,28-32,34,40-42,44-45H,14-17H2,1-13H3;2*1H2/t18?,19-,20+,21+,22-,23+,24+,25-,26+,28-,29+,30-,31+,32-,34+,35-,36-,37-;;/m1../s1

InChI key

IWGQNYZQLVGGCS-ZKSNWDMWSA-N

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Application

Erythromycin is an antibiotic produced by growth of certain strains of Streptomyces erythreus. This product is composed largely of erythromycin A with small amounts of erythromycins B and C and is recommended for concentration at 100 mg/L. Concentrations between 50 and 200 mg/L have also proven effective in controlling bacterial growth. Erythromycin has been used as a motilin receptor agonist, to block respiratory glycoconjugate secretion in human airways in vitro, and for selecting plasmid-cured and recombinant lactococcus lactis MG1363 strains.
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Biochem/physiol Actions

Mode of Action: Erythromycin acts by inhibiting elongation at the transpeptidation step, specifically aminoacyl translocation from the A-site to P-site.

Antimicrobial Spectrum: This product acts against both gram-negative and gram-positive bacteria.

Preparation Note

This product is soluble in water at 2 mg/mL, with a 0.067% solution in water yielding a pH of 8.0-10.5. It is also soluble in ethanol at 50 mg/mL, yielding a clear, colorless to faint yellow solution. It is freely soluble in alcohol, acetone, chloroform, acetonitrile and ethyl acetate but forms salts with acids. All solutions should be protected from light.

Legal Information

VETRANAL is a registered trademark of Merck KGaA, Darmstadt, Germany

Disclaimer

This product is stable in solution at 37°C for 3 days. Stock solutions should be stored at 2-8°C.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
BCCJ6927
BCCB8689
BCBS7769V
SZBE092XV

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Ju-Hyung Lee et al.
mBio, 11(2) (2020-04-16)
Bacteria that encounter antibiotics can efficiently change their physiology to develop resistance. This intrinsic antibiotic resistance is mediated by multiple pathways, including a regulatory system(s) that activates specific genes. In some Streptomyces and Mycobacterium spp., the WblC/WhiB7 transcription factor is
Mark Sacchetti
Journal of pharmaceutical sciences, 103(9), 2772-2783 (2013-12-12)
Pharmaceutical materials, crystalline and amorphous, sorb water from the atmosphere, which affects critical factors in the development of drugs, such as the selection of drug substance crystal form, compatibility with excipients, dosage form selection, packaging, and product shelf-life. It is

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