2-Aminoethyl Methanethiosulfonate, Hydrochloride CAS 37597-96-9

CAS Number

37597-96-9

Grade

Highly Purified

Molecular Formula

C₃H₁₀ClNO₂S₂

Molecular Weight

191.7

EU Commodity Code

38220090

Shipping Temp

Storage Temp

-20°C

Methanesulfonothioic Acid S-(2-Aminoethyl) Ester Hydrochloride; MTSEA-Chloride

Reacts specifically and rapidly with thiols to form mixed disulfides. Used to probe the structures of the ACh receptor channel of the GABA receptor channel and of lactose permease. Useful for mapping the pore-lining regions of the ryanodine receptor.

Synonyms

Methanesulfonothioic Acid S-(2-Aminoethyl) Ester Hydrochloride; MTSEA-Chloride

CAS No

37597-96-9

Molecular Formula

C₃H₁₀ClNO₂S₂

Molecular Weight

191.70

Purity

≥98%

Appearance

Off-White to pale beige solid

Melting Point

As Reported

Solubility

DMSO, Methanol

Method for Determining Identity

Proton NMR Spectroscopic and Mass Spectrometric Analysis

TLC Conditions

As Reported C18; Methanol: Water: Acetic acid=9:1:0.5; Visualized with Ninhydrin and KMnO4; Single spot, Rf=0.55

Chloride Content

~19%

Atmosphere

Inert Gas

Storage and Stability

May be stored at RT for short-term only. Long-term storage is recommended at -20°C. Stable for 6 months after receipt. Store under inert atmosphere.

At pH 7.5 and room temperature, MTSEA hydrolyzes with a half-life of about 15 minutes, MTSET hydrolyzes with a half-life of 10 minutes, and MTSES hydrolyzes with a half-life of 20 minutes. Routinely, one can use 2.5mM MTSEA, 1mM MTSET, or 10mM MTSES, applied for 1 to 5 minutes. (MTSET is 2.5 times as reactive with small sulfhydryl compounds as is MTSEA, and 10 times as reactive as MTSES). (Stauffer and Karlin, 1994; Karlin, personal communication).

For application to Xenopus Oocytes, dissolve the compounds in 115mM NaCl, 2.5mM KCl, 1.8mM MgCl2, 10mM Hepes, pH 7.5 with NaOH. MTS reagents decompose in buffer very quickly.

•DMSO is a good solvent for the MTS reagents which are not water soluble (i.e. the non-charged MTS reagents).

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

≥98%

Form

Off-White to pale beige 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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A1377-70 2-Aminoethyl Methanethiosulfonate, Hydrochloride (MTSEA-Chloride) CAS: 37597-96-9

CAS Number

Grade

Molecular Formula

Molecular Weight

EU Commodity Code

Shipping Temp

Storage Temp

Methanesulfonothioic Acid S-(2-Aminoethyl) Ester Hydrochloride; MTSEA-Chloride

References

USBio References

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