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Derivatization is the process by which a compound is chemically changed, producing a new compound that has properties more amenable to a particular analytic technique. As a key separation method, derivatization provides:
Increased volatility, thermal stability, and peak shape
Improved selectivity and chromatographic efficiency
Strengthened detectability

J&K provides an extensive selection of Derivatization Reagents, including those used for GC and HPLC analysis, chiral separations and TLC applications. By choosing the right derivatization reagent and procedure you can increase resolution and analytic response, significantly improving your separations.

GC Derivatization Reagents

GC Derivatization Reagents include silylation reagents, acylation reagents, esterification & alkylation reagents and others.
Silylation
 
Cat. No.
Description
CAS
Bis(dimethylamino)dimethylsilane, 97%
N,O-Bis(trimethylsilyl)acetamide, 95%
N,O-Bis(trimethylsilyl)trifluoroacetamide, 98%
Bromotrimethylsilane, 98%
N-tert-Butyldimethylsilyl-N-methyltrifluoroacetamide, 97%
Chloro(chloromethyl)dimethylsilane, 98%
Dichlorodiethylsilane, 97%
N,N-Dimethyltrimethylsilylamine, 97%, derivatization grade
Heptamethyldisilazane, 98%
N-Methyl-N-(trimethylsilyl)trifluoroacetamide, 97%
1,1,3,3-Tetramethyldisilazane, 97%
N-Trimethylsilylimidazole, 98%

●Acylation

Cat. No.
Description
CAS
1-Acetylimidazole, 98%
Bistrifluoroacetamide, 98%
Heptafluorobutyric acid, 99%
Heptafluorobutyric anhydride, 98%
1-(Heptafluorobutyryl)imidazole, 97%
(±)-α-Methoxy-α-(trifluoromethyl)phenylacetic acid, 97%
N-Methyl-bis(trifluoroacetamide), 98%
1-(Trifluoroacetyl)imidazole, 97.5%, derivatization grade

●Esterification & Alkylation

Cat. No.
Description
CAS
2,2-Dimethoxypropane, 98%
N,N-Dimethylformamide diethyl acetal, 95%
N,N-Dimethylformamide dimethyl acetal, 95%
Methyl trifluoromethanesulfonate, 0.96%
Tetramethylammonium hydroxide, 25% solution in H2O
3-(Trifluoromethyl)phenyltrimethylammonium hydroxide, 5% solution in MeOH
(Trimethylsilyl)diazomethane, 2.0 M solution in hexanes
Trimethylsulfonium hydroxide, 0.25 M solution in MeOH

 ● Others

Cat. No.
Description
CAS
n-Butylboronic acid, 98%
O-(2,3,4,5,6-Pentafluorobenzyl)hydroxylamine hydrochloride, 99%, derivatization grade

HPLC Derivatization Reagents

HPLC Derivatization Reagents are organized by detection method, including UV, Fluorescence and Chemiluminescence detections.  

UV Detection

Cat. No.
Description
CAS
Benzenesulfonyl chloride, 99%
579741
Benzoyl chloride, 99%
2-Bromoacetophenone, 99%
2-Bromo-4'-phenylacetophenone, 98%
(-)-10-Camphorsulfonic acid, 99%
4-(N-Chloroformylmethyl-N-methylamino)-7-nitro-2,1,3-benzoxadiazole, 92%, derivatization grade
Dabsyl chloride, 98%, derivatization grade
2,4'-Dibromoacetophenone, 98%
Dimedone, 98%
4-Dimethylaminobenzoyl chloride, 97%
5-Dimethylamino-1-naphthalenesulfonyl chloride, 98%
168708
1,3-Dinitrobenzene, 99%
3,5-Dinitrobenzoyl chloride, 99%
610866
2,4-Dinitrophenylhydrazine, 98%, stabilized with (50% water)
9-Fluorenylmethyl carbazate, 98%, derivatization grade
9-Fluorenylmethyl chloroformate, 98%
136896
Hydroxylamine hydrochloride, 99%
Marfey's Reagent, 98%
4-Methoxybenzoyl chloride, 99%
Methyl isothiocyanate, 98%
3-Methyl-1-phenyl-2-pyrazolin-5-one, 98%
N-Methylphthalimide, 98%
1-Naphthyl isocyanate, 99%, derivatization grade
1-Naphthyl isothiocyanate, 98%, derivatization grade
205431
4-Nitrobenzoyl chloride, 98%
4-Nitrobenzyl bromide, 99%
368359
N-(4-Nitrophenylacetoxy)succinimide, 98%, derivatization grade,for HPLC Labeling
2,3,4,6-Tetra-O-acetyl-β-D-glucopyranosyl isothiocyanate, 98%
Phenyl isothiocyanate, 98%, for sequential analysis
o-Phthalaldehyde, 99%
N-(1-Pyrenyl)maleimide, 97%
Salicylaldehyde, 99%
p-Toluenesulfonyl chloride, 99%
m-Toluoyl chloride, 99%

 Fluorescence Detection

Chemiluminescence detection

Cat. No.
Description
CAS
N-(4-Aminobutyl)-N-ethylisoluminol, 97%
2,3-Dihydro-6-isothiocyanato-1,4-phthalazinedione, 96%

Chiral Derivatization Reagents

Chiral GC Derivatization Reagents

Cat. No.
Description
CAS
(-)-Camphanic acid chloride, 98%
(R)-(+)-α-Methoxy-α-(trifluoromethyl)phenylacetic acid, 98%, ee: 99.5%
(S)-(-)-α-Methoxy-α-(trifluoromethyl)phenylacetic acid, 98%
191106
(S)-(+)-α-Methoxy-α-(trifluoromethyl)phenylacetyl chloride, 99%
313066
(S)-(-)-α-Methylbenzyl isocyanate, 98%, for chiral derivatization
(R)-(+)-1-(1-Naphthyl)ethylamine, 99%
(S)-(-)-1-(1-Naphthyl)ethylamine, 99%
L-(-)-2-Octanol, 99%
D-(+)-2-Octanol, 99%
(R)-(+)-1-Phenylethanol, 99%, for chiral derivatization
(S)-(-)-1-Phenylethanol, 99%, for chiral derivatization
(R)-(+)-1-Phenylethylamine, 99%
(S)-(-)-1-Phenylethylamine, 99%, ee: 98%

Chiral LC Derivatization Reagents 

Cat. No.
Description
CAS
(1S)-(+)-10-Camphorsulfonic acid, 99%
L-(-)-10-Camphorsulfonyl chloride, 98%
Boc-L-cysteine, 99%, for chiral derivatization
(R)-(-)-N-(3,5-Dinitrobenzoyl)-α-phenylglycine, 98%
(R)-(-)-O-Formylmandeloyl chloride, 98%
(R)-(-)-α-Methoxyphenylacetic acid, 99%
(S)-(+)-α-Methoxyphenylacetic acid, 99%, for chiral derivatization
(-)-α-Methylbenzyl isothiocyanate, 98%, for chiral derivatization
(R)-(+)-1-Phenyl-1-propanol, 98%, ee: 90%

TLC Derivatization Reagents

Cat. No.
Description
CAS
p-Anisaldehyde, 99%,
Bromocresol Green, ACS reagent
4-Dimethylaminobenzaldehyde, 99%
5-(4-Dimethylaminobenzylidene)rhodanine, 97%
Iodine, 99.8%, ACS reagent
Ninhydrin, , ACS reagent
1,3,3-Trimethyl-2-methyleneindoline, 95%
Vanillin, 99%

MS Derivatization Reagents

Cat. No.
Description
CAS
2-Aminobenzamide, 98%
O-(Carboxymethyl)hydroxylamine hemihydrochloride, 98%, derivatization grade
2-Fluoro-1-methylpyridinium p-toluenesulfonate, 98%
Girard's Reagent P, 98%
Girard's Reagent T, 98%
2-Hydrazinopyridine, 97%
2-Nitrophenylhydrazine hydrochloride, 98%, derivatization grade
p-Toluenesulfonyl isocyanate, 96%
 
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