I-BUT-CYS-OH

Product Name: I-BUT-CYS-OH
CAS No.: 124529-02-8
Chemical Name: I-BUT-CYS-OH
Synonyms: I-BUT-CYS-OH;ISOBUTYRYL-CYS-OH;N-isobutyrylcysteine;ISOBUTYRYL-L-CYSTEINE;N-ISOBUTYRYL-L-CYSTEINE;N-isobutyryl-l-mercaptoalanine;N-(2-METHYLPROPIONYL)-L-CYSTEINE;N-Isobutyryl-L-cysteine;L-Cysteine, N-(2-methyl-1-oxopropyl)-;(R)-N-Isobutyryl-2-(mercaptomethyl)glycine
CBNumber: CB2428592
Molecular Formula: C7H13NO3S
Formula Weight: 191.25
MOL File: 124529-02-8.mol

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I-BUT-CYS-OH Property

Melting point:: 97-101 °C
Boiling point:: 401.6±40.0 °C(Predicted)
Density: 1.199±0.06 g/cm3(Predicted)
storage temp.: 2-8°C
pka: 3.26±0.10(Predicted)
form: solid

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Safety

Safety Statements: 22-24/25
WGK Germany: 3
F: 3-10-23

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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 58698
Product name: N-Isobutyryl-L-cysteine
Purity: for chiral derivatization, LiChropur?, ≥97.0%
Packaging: 250mg
Price: $123
Updated: 2025/07/31

Sigma-Aldrich

Product number: 58698
Product name: N-Isobutyryl-L-cysteine
Purity: for chiral derivatization, LiChropur?, ≥97.0%
Packaging: 1g
Price: $406
Updated: 2025/07/31

AHH

Product number: MT-03822
Product name: I-But-Cys-OH
Purity: 98%
Packaging: 5g
Price: $405
Updated: 2021/12/16

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I-BUT-CYS-OH Chemical Properties,Usage,Production

Uses

N-Isobutyryl-L-cysteine may be used as a chiral derivatization agent for the determination of D- and L-amino acids in natural/synthetic bioactive peptides, pharmaceutical formulations and absolute configuration of selenomethionine using chromatography techniques.

General Description

N-Isobutyryl-L-cysteine is a chiral derivatizing agent, widely used for the separation of amino acid enantiomers.

I-BUT-CYS-OH Preparation Products And Raw materials

Raw materials

Preparation Products

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I-BUT-CYS-OH Suppliers

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124529-02-8, I-BUT-CYS-OHRelated Search:

I-BUT-CYS-OH BUCILLAMINE BREVININ-1 N-ALPHA-T-BOC-ETHYLMERCAPTO-L-CYSTEINE DICYCLOHEXYLAMMONIUM SALT N-(3-nitratopivaloyl)cysteine ethyl ester SA 3443 H-TYR-SER-ALA-ASN-SER-ASN-PRO-ALA-MET-ALA-PRO-ARG-GLU-ARG-LYS-ALA-GLY-CYS-LYS-ASN-PHE-PHE-TRP-LYS-THR-PHE-THR-SER-CYS-OH H-TYR-THR-ASP-GLU-CYS-GLU-LEU-CYS-ILE-ASN-VAL-ALA-CYS-THR-GLY-CYS-OH H-TRP-MET-ASN-SER-THR-GLY-PHE-THR-LYS-VAL-CYS-GLY-ALA-PRO-PRO-CYS-OH H-SER-ALA-ASN-SER-ASN-PRO-ALA-LEU-ALA-PRO-ARG-GLU-ARG-LYS-ALA-GLY-CYS-LYS-ASN-PHE-PHE-D-TRP-LYS-THR-TYR-THR-SER-CYS-OH H-TYR-ALA-GLY-CYS-LYS-ASN-PHE-PHE-TRP-LYS-THR-PHE-THR-SER-CYS-OH (TYR0)-C-TYPE NATRIURETIC PEPTIDE (32-53) (HUMAN, PORCINE, RAT) AC-ASP-D-GLA-LEU-ILE-CHA-CYS-OH,AC-ASP-D-GLA-LEU-ILE-BETA-CYCLOHEXYL-ALA-CYS-OH H-SER-ALA-ASN-SER-ASN-PRO-ALA-MET-ALA-PRO-ARG-GLU-ARG-LYS-ALA-GLY-CYS-LYS-ASN-PHE-PHE-TRP-LYS-THR-PHE-THR-SER-CYS-OH H-TYR-GLY-CYS-LYS-ASN-PHE-PHE-TRP-LYS-THR-PHE-THR-SER-CYS-OH (DISULFIDE BRIDGE: 3-14),H-TYR-GLY-CYS-LYS-ASN-PHE-PHE-TRP-LYS-THR-PHE-THR-SER-CYS-OH H-TYR-CYS-PHE-ALA-TRP-LYS-THR-PHE-CYS-OH,H-TYR-CYS-PHE-ALA-TRP-LYS-THR-PHE-CYS-OH, (DISULFIDE BOND) H-PRO-THR-GLY-SER-GLU-ASN-LEU-LYS-SER-LEU-TYR-ASN-THR-VAL-CYS-OH H-SER-ILE-ASN-SER-GLN-ILE-GLY-LYS-ALA-THR-SER-SER-ILE-SER-LYS-CYS-VAL-PHE-SER-PHE-PHE-LYS-LYS-CYS-OH (DISULFIDE BRIDGE: 16-24)

ISOBUTYRYL-CYS-OH

ISOBUTYRYL-L-CYSTEINE

I-BUT-CYS-OH

N-isobutyrylcysteine

(R)-N-Isobutyryl-2-(mercaptomethyl)glycine

(2R)-2-(2-methylpropanoylamino)-3-sulfanylpropanoic acid

(2R)-2-(2-methylpropanoylamino)-3-sulfanyl-propanoic acid

(2R)-2-(isobutyrylamino)-3-mercapto-propionic acid

(R)-2-isobutyraMido-3-Mercaptopropanoic acid

N-ISOBUTYRYL-L-CYSTEINE

N-(2-METHYLPROPIONYL)-L-CYSTEINE

L-Cysteine, N-(2-methyl-1-oxopropyl)-

N-Isobutyryl-L-cysteine for chiral derivatization, >=97.0%

(2R)-2-(2-methylpropanoylamino)-3-sulfanylpropanoicaci

N-Isobutyryl-L-cysteine for chiral derivatization

N-isobutyryl-l-mercaptoalanine

N-Isobutyryl-<sc>L</sc>-cysteine

124529-02-8

Chiral Derivatization

Analytical Chromatography Product Catalog

Derivatization Reagents