Desfuroyl Ceftiofur Cysteine Disulfide CAS 158039-15-7

CAS Number

158039-15-7

Grade

Highly Purified

Molecular Formula

C17H20N6O7S4

Molecular Weight

548.64

EU Commodity Code

38220090

Shipping Temp

Blue Ice

Storage Temp

-20°C

(6R,7R)-3-[[[(2R)-2-Amino-2-carboxyethyl]dithio]methyl]-7-[[(2Z)-2-(2-amino-4-thiazolyl)-2-(methoxyimino)acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid; Desfuroylceftiofur Cysteine Disulfide; DFC-CYS

A Desfuroyl Ceftiofur-related metabolite that have the potential to be microbiologic active in swine muscle, kidney, liver and fat.

Melting Point

>190ºC (dec)

Solubility

Aqueous acid (slightly)

Method for Determining Identity

Proton NMR (D2O + DCl) Spectroscopic and Mass Spectrometric Analysis

TLC Conditions

C18; Acetonitrile: Water: Acetic Acid=8:2:0.1; Visualized with UV and KMnO4; Single Spot, Rf=0.70

Atmosphere

Inert gas

Storage and Stability

May be stored at RT for short-term only. Long-term storage is recommended at -20°C for 6 months after receipt. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Store under inert atmosphere. Light sensitive.

Important Note

This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.

Toxicity and Hazards: All products should be handled by qualified personnel only, trained in laboratory procedures.

Source

Synthetic

Purity

~90%

Form

Supplied as an off-white solid

Important Note

This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.

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008409 Desfuroyl Ceftiofur Cysteine Disulfide (contains 5% Ceftiofur) CAS: 158039-15-7

CAS Number

Grade

Molecular Formula

Molecular Weight

EU Commodity Code

Shipping Temp

Storage Temp

(6R,7R)-3-[[[(2R)-2-Amino-2-carboxyethyl]dithio]methyl]-7-[[(2Z)-2-(2-amino-4-thiazolyl)-2-(methoxyimino)acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid; Desfuroylceftiofur Cysteine Disulfide; DFC-CYS

References

USBio References

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