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Amino Acids and Derivatives

L-Tyrosine Hydrochloride

T3054-1GM
$224

Test Specification Min Max APPEARANCE

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prices from $224

L-Tyrosine Methyl Ester Hydrochloride

T3045-25GM
$243

Test Specification Min Max ASSAY 98% 98% MELTING POINT 185 - 195 C 185 - 195 C EXPIRATION DATE

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prices from $243

L-Tryptophylglycine

T3033-100MG
$528

Test Specification Min Max PURITY 99%

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prices from $528
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prices from $686
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prices from $737
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prices from $459
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prices from $161

L-Threonyl-L-leucine

T2037-250MG
$787

Test Specification Min Max APPEARANCE

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prices from $787
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prices from $642
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prices from $428

Threonine Crystal USP

T1056-5GM
$138

Test Specification Min Max ASSAY (DRIED BASIS) 98.5 101.50% SPECIFIC ROTATION [a][@D@] -26.7 to -29.1??/td> -26.7 to -29.1??/td> pH OF A 1 IN 20 SOLUTION 5 6.5 LOSS ON DRYING...

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prices from $138

DL-Serine Reagent

SE120-100GM
$310

Test Specification Min Max APPEARANCE

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prices from $310

L-Serine Methyl Ester Hydrochloride

S2003-5GM
$176

Test Specification Min Max APPEARANCE

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prices from $176

DL-Selenomethionine

S2069-250MG
$885

Test Specification Min Max ASSAY APPROX. 99% APPROX. 99%

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prices from $885
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prices from $582

DL-Serine FCC

S1124-25GM
$190

Test Specification Min Max ASSAY (DRIED BASIS) 98.5-101.5 % 98.5-101.5 % LEAD (Pb) 5 mg/kg LOSS ON DRYING 0.30% RESIDUE ON IGNITION 0.10% IDENTIFICATION TO PASS TEST TO PASS TEST...

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prices from $190

Serine USP

S1023-25GM
$243

Test Specification Min Max ASSAY (DRIED BASIS) 98.5 101.50% SPECIFIC ROTATION [a][@D@] +14.0 to+15.6 +14.0 to+15.6 LOSS ON DRYING 0.20% RELATED COMPOUNDS TO PASS TEST RESIDUE ON IGNITION 0.10% CHLORIDE...

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prices from $243

L-Phenylalanine

PH145-25GM
$133

Test Specification Min Max ASSAY 98.50% SPECIFIC ROTATION [a][@D@] -33.2 to-35.2 -33.2 to-35.2 ARSENIC (As) 1.5 pp HEAVY METALS 20 ppm LEAD (Pb) 10 ppm LOSS ON DRYING 0.30% RESIDUE...

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prices from $133

D-Phenylalanine

PH143-25GM
$339

Test Specification Min Max ASSAY 98% 98% SPECIFIC ROTATION, [a]20[@D@](C=2; H[@2@]O) +33.5??to +35.2 +33.5??to +35.2 EXPIRATION DATE

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prices from $339

Poly-(ab)-DL-aspartic acid Sodium Salt

P2795-100MG
$451

Test Specification Min Max APPEARANCE

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prices from $451

DL-Pyroglutamic Acid

P2757-100GM
$285

Test Specification Min Max APPEARANCE

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prices from $285

Poly-L-lysine Hydrobromide

P2737-500MG
$2,029

Test Specification Min Max APPEARANCE

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prices from $2,029

N-(Phosphonomethyl)glycine

P2725-1GM
$297

Test Specification Min Max ASSAY APPROX. 95% APPROX. 95%

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prices from $297

L-Phenylalanine-b-naphthylamide

P2709-100MG
$302

Test Specification Min Max APPEARANCE

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prices from $302

L-Pyroglutamic Acid beta-Naphthylamide

P3174-100MG
$368

Test Specification Min Max PURITY 98% 98% APPEARANCE LIGHT PINK-WHITE LIGHT PINK-WHITE EXPIRATION DATE

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prices from $368

DL-Proline

P3171-5GM
$213

Test Specification Min Max ASSAY APPROX. 99 % APPROX. 99 %

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prices from $213

L-Phenylalanyl-L-tyrosine

P3105-100MG
$578

Test Specification Min Max NO SPECIFICATIONS

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prices from $578
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prices from $641

L-Phenylalanine Methyl Ester Hydrochloride

P3075-25GM
$461

Test Specification Min Max NO SPECIFICATIONS

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prices from $461
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prices from $198

N-Phenylglycine

P1605-5GM
$135

Test Specification Min Max ASSAY 95% 95%

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prices from $135

Phenylalanine USP

P1582-25GM
$256

Test Specification Min Max ASSAY (DRIED BASIS) 98.5 101.50% SPECIFIC ROTATION [a][@D@] -32.7??to-34.7 -32.7??to-34.7 pH OF A 1 IN 100 SOLUTION 5.4 6 LOSS ON DRYING 0.30% RESIDUE ON IGNITION...

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prices from $256

D-Proline

P1322-1GM
$302

Test Specification Min Max ASSAY APPROX. 99 % APPROX. 99 %

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prices from $302

D-Ornithine Hydrochloride

O3340-1GM
$243

Test Specification Min Max ASSAY APPROX. 98 % APPROX. 98 %

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prices from $243

L-Prolyl-L-valine

P3153-100MG
$199

Test Specification Min Max APPEARANCE

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prices from $199

DL-Norvaline

N3070-25GM
$172

Test Specification Min Max ASSAY APPROX. 99 % APPROX. 99 %

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prices from $172

Amino Acids and Derivatives