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Amino Acids and Derivatives

L-Cysteine Monohydrochloride Monohydrate FCC

C1472-1KG
$149

Test Specification Min Max ASSAY (C[@3@]H[@7@]NO[@2@]S.HCl; DRIED BASIS) 98 101.50% LOSS ON DRYING 8 12.00% OPTICAL ROTATION, [a] 20D +5.0??to +8.0??/td> +5.0??to +8.0??/td> LEAD 5 mg/kg RESIDUE ON IGNITION 0.10%...

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prices from $149

Monosodium L-Glutamate FCC

G1038-100GM
$138

Test Specification Min Max ASSAY (C[@5@]H[@8@]NNaO[@4@]; DRIED BASIS) 98.5 101.50% OPTICAL ROTATION, [a] 20D (DRIED BASIS) +24.5 to+25.5??/td> +24.5 to+25.5??/td> CLARITY AND COLOR OF SOLUTION TO PASS TEST TO PASS...

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prices from $138

L-Aspartic Acid FCC

A1376-1KG
$149

Test Specification Min Max ASSAY (DRIED BASIS) 98.5 101.50% SPECIFIC ROTATION @ 20 C +24.5??to+26.0 +24.5??to+26.0 LEAD (Pb) 5 mg/kg LOSS ON DRYING 0.25% RESIDUE ON IGNITION 0.10% IDENTIFICATION TO...

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prices from $149

L-Histidine USP

H1021-25GM
$245

Test Specification Min Max ASSAY (DRIED BASIS) 98.5 101.50% SPECIFIC ROTATION [a][25@D@], (11% in 6N HCl) +12.6??to +14.0 +12.6??to +14.0 pH OF A 1 IN 50 SOLUTION 7 8.5 LOSS...

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prices from $245

Glycine USP

AM125-100GM
$170

Test Specification Min Max ASSAY (DRIED BASIS) 98.5 101.50% LOSS ON DRYING 0.20% RESIDUE ON IGNITION 0.10% CHLORIDE (Cl) 0.01% SULFATES (SO[@4@]) 0.01% ELEMENTAL IMPURITIES AS REPORTED RELATED COMPOUNDS Acceptance...

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prices from $170

Arginine Hydrochloride USP

A1337-1KG
$151

Test Specification Min Max ASSAY (DRIED BASIS) 98.5 101.50% SPECIFIC ROTATION +21.4�to+23.6� +21.4�to+23.6� CHLORIDE CONTENT 16.5 17.10% CHROMATOGRAPHIC PURITY TO PASS TEST LOSS ON DRYING 0.20% RESIDUE ON IGNITION 0.10%...

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prices from $151

Tyrosine USP

T1153-25GM
$126

Test Specification Min Max ASSAY (DRIED BASIS) 98.5 101.50% SPECIFIC ROTATION [a][@D@] -9.8 to-11.2 -9.8 to-11.2 LOSS ON DRYING 0.30% RELATED COMPOUNDS TO PASS TEST TO PASS TEST RESIDUE ON...

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prices from $126

L-Glutamine FCC

G1039-25GM
$149

Test Specification Min Max ASSAY (C[@5@]H[@10@]N[@2@]O[@3@]; DRIED BASIS) 98.5 101.50% OPTICAL ROTATION, [a] 20D (DRIED BASIS) +6.3??to +7.3??/td> +6.3??to +7.3??/td> LEAD (Pb) 5 mg/kg LOSS ON DRYING 0.30% RESIDUE ON...

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prices from $149

L-Aspartic Acid

AS125-1KG
$161

Test Specification Min Max ASSAY 98.50% SPECIFIC ROTATION, [a]D20 +24.5??to +26.0 +24.5??to +26.0 TRANSMITTANCE 95% LEAD (Pb) 5 ppm HEAVY METALS 10 ppm LOSS ON DRYING @ 105 C 0.20%...

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prices from $161

N-Boc-14-butanediamine

B2844-5ML
$1,437

Test Specification Min Max ASSAY 97% 97%

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prices from $1,437

N-Methyl-D-Aspartic Acid

M3302-25MG
$187

Test Specification Min Max ASSAY (by TITRATION) 98% 98%

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prices from $187

N-Benzyloxycarbonyl-L-phenylalanyl-L-leucine

B2970-1GM
$258

Test Specification Min Max APPEARANCE

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prices from $258

Glycylglycine Ethyl Ester Hydrochloride

G3012-25GM
$1,608

Test Specification Min Max NO SPECIFICATIONS

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prices from $1,608

N-(tert-Butoxycarbonyl)-beta-alanine 98+ Percent Reagent

B1932-100GM
$113

Test Specification Min Max PURITY (GC) 98.00% 98.00%

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prices from $113

Thionin Acetate

T1706-5GM
$373

Test Specification Min Max ABSORPTION MAX. (IN WATER) 598 nm 598 nm

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prices from $373
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prices from $250

L-Tyrosyl-L-tyrosine

T3105-100MG
$301

Test Specification Min Max APPEARANCE

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prices from $301

L-Methionine FCC

M1141-25GM
$176

Test Specification Min Max ASSAY (DRIED BASIS) 98.5 - 101.5 % 98.5 - 101.5 % OPTICAL ROTATION +21.0 to+25.0 +21.0 to+25.0 LEAD (Pb) 5 mg/kg LOSS ON DRYING 0.50% RESIDUE...

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prices from $176

L-Leucine

LE115-25GM
$114

Test Specification Min Max ASSAY (DRIED BASIS) 98.50% SPECIFIC ROTATION [a][@D@] +14.9� to +17.3 +14.9� to +17.3 LOSS ON DRYING @ 105 C 0.20% RESIDUE ON IGNITION 0.40% EXPIRATION DATE...

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prices from $114

L-Valine Crystal FCC

V1008-25GM
$129

Test Specification Min Max ASSAY (C[@5@]H[@11@]NO[@2@]; DRIED BASIS) 98.5 - 101.5 % 98.5 - 101.5 % OPTICAL ROTATION, [a] 20D +26.7 to +29.0 +26.7 to +29.0 LEAD 5 mg/kg LOSS...

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prices from $129

L-Glutamic Acid FCC

G1036-100GM
$120

Test Specification Min Max ASSAY (C[@5@]H[@9@]NO[@4@]; DRIED BASIS) 98.5 101.50% OPTICAL ROTATION, @ 20D +31.5� to +32.5 +31.5� to +32.5 LEAD 5 mg/kg LOSS ON DRYING 0.10% RESIDUE ON IGNITION...

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prices from $120

L-Lysine Monohydrochloride

LY105-100GM
$129

Test Specification Min Max ASSAY (DRIED BASIS) 98.5 - 101.5 % 98.5 - 101.5 % SPECIFIC ROTATION [a][@D@] +20.3 to+21.3 +20.3 to+21.3 LOSS ON DRYING 1% RESIDUE AFTER IGNITION 0.20%...

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prices from $129

Alanine USP

A1253-1KG
$137

Test Specification Min Max ASSAY (DRIED BASIS) 98.5 101.50% SPECIFIC ROTATION +13.7 to+15.1 +13.7 to+15.1 pH (1 in 20 solution) 5.5 7 LOSS ON DRYING 0.20% RESIDUE ON IGNITION 0.15%...

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prices from $137

L-Tyrosine FCC

T1150-25GM
$126

Test Specification Min Max ASSAY (DRIED BASIS) 98.5 - 101.5 % 98.5 - 101.5 % OPTICAL ROTATION -10.0 to-11.0 -10.0 to-11.0 LEAD (Pb) 5 mg/kg LOSS ON DRYING 0.30% RESIDUE...

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prices from $126

Glycine Ultrapure

GL157-100GM
$196

Test Specification Min Max ASSAY (C[@2@]H[@5@]NO[@2@]) 99.00% IDENTIFICATION (by IR) TO PASS TEST TO PASS TEST ABSORBANCE OF A 1M SOLUTION @280 nm 0.1 CHLORIDE (Cl) 0.01% DNASE AND RNASE...

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prices from $196

L-Cysteine Hydrochloride Monohydrate

CY115-25GM
$126

Test Specification Min Max ASSAY (DRIED BASIS) 98.0 - 101.5 % 98.0 - 101.5 % SPECIFIC ROTATION, [a][@D@]20 +5.0 to +8.0 +5.0 to +8.0 LOSS ON DRYING 8 - 12...

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prices from $126

L-Cysteine

CY110-25KG
$126

Test Specification Min Max ASSAY (C[@3@]H[@7@]NO[@2@]S) 98 102.00% SPECIFIC ROTATION, [a] (C=8; 1N HCl) +7.0� to +9.0� +7.0� to +9.0� TRANSMITTANCE 95% AMMONIUM (NH[@4@]) 0.02% ARSENIC (As) 0.00% CHLORIDE (Cl)...

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prices from $126

Glycylglycine Ultrapure

G1024-25GM
$247

Test Specification Min Max ASSAY 99.00% pK @ 20[dC 7.6 - 8.6 7.6 - 8.6 pH of a 10% Aqueous Solution 05-Jul 05-Jul SOLUBILITY (10% IN WATER) CLEAR AND COLORL...

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prices from $247

L-(+)-Lysine Hydrate

L1146-5GM
$156

Test Specification Min Max ASSAY 98.5 - 101.5 % 98.5 - 101.5 % SPECIFIC ROTATION [a][@D@] +25.5 to+27.0 +25.5 to+27.0 TRANSMITTANCE OF A 5% SOLUTION 95.00% 95.00% pH OF A...

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prices from $156

L-Homoarginine Hydrochloride

H3124-1GM
$333

Test Specification Min Max PURITY APPROX.98 % APPROX.98 % APPEARANCE WHITE POWDER WHITE POWDER

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prices from $333

Glycine Methyl Ester Hydrochloride

G3114-25GM
$161

Test Specification Min Max APPEARANCE

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prices from $161
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prices from $1,518
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prices from $451

DL-beta-Aminobutyric Acid

A2705-25GM
$164

Test Specification Min Max APPEARANCE

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prices from $164

L-Homocysteine Thiolactone Hydrochloride

H3407-250MG
$428

Test Specification Min Max APPEARANCE

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prices from $428

L-Homoserine

H3061-1GM
$193

Test Specification Min Max ASSAY APPROX. 97 % APPROX. 97 %

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prices from $193

Amino Acids and Derivatives