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4-Aminophenylphosphate Monosodium

LKT-A5030

Alkaline phosphatase substrate used to quantify enzyme activity.

4-Aminopyrimidine

LKT-A016493

4-Aminosalicylic acid

LKT-A5033

Dihydrofolate reductase inhibitor.

4-Aminosalicylic acid . sodium salt . dihydrate

LKT-A5034

Dihydrofolate reductase inhibitor.

4-Azido-L-homoalanine HCl (L-AHA) (10 mg)

JBS-CLK-AA005-10

4-Azido-L-homoalanine HCl (L-AHA) (100 mg)

JBS-CLK-AA005-100

4-Azido-L-homoalanine HCl (L-AHA) (500 mg)

JBS-CLK-AA005-500

4-Azido-L-phenylalanine (10 mg)

JBS-CLK-AA001-10

4-Azido-L-phenylalanine (100 mg)

JBS-CLK-AA001-100

4-Azido-L-phenylalanine (500 mg)

JBS-CLK-AA001-500

4-Azidobutan-1-amine

NZY-A153

4-Benzyl-5,5-diphenyl-oxazolidin-2-one

CAC-CSR-SHN-726

4-beta-hydroxy Cholesterol

LAR-64-0051

4-beta-hydroxy Cholesterol-d7

LAR-71-6402

4-Biotin-14-cCMP

BLG-B220

Cyclic CMP conjugated with a biotin label

4-Bromo-A23187

LKT-A0101

Non-fluorescent halogenated A23187 analog, Ca2+ ionophore.