Sigma-Aldrich Coumarin-3-Carboxylic Acid, CAS 531-81-7, 99% 25 G

Sigma-Aldrich 2-Oxo-2,3-Dihydro-1H-Imidazole-4-Carboxylic Acid, CAS 39828-47-2, Aldrichcpr 1 G

Sigma-Aldrich 5-Methylisoxazole-4-Carboxylic Acid, CAS 42831-50-5, 97% 10 G

Sigma-Aldrich 1H-Indazole-4-Carboxylic Acid, CAS 677306-38-6, 97% 1 G

Sigma-Aldrich 5-(4-Chlorophenyl)Isoxazole-4-Carboxylic Acid, CAS 887408-09-5 1 G

Sigma-Aldrich 5-Fluoroindole-2-Carboxylic Acid, CAS 399-76-8, 99% 5 G

Sigma-Aldrich 1H-1,2,3-Triazole-4-Carboxylic Acid, CAS 16681-70-2, Aldrichcpr 100 Mg

Sigma-Aldrich 4-Oxo-4H-1-Benzopyran-2-Carboxylic Acid, CAS 4940-39-0, 97% 5 G

Sigma-Aldrich 1-Cyclopropyl-1H-1,2,3-Triazole-4-Carboxylic Acid, CAS 1188375-37-2 1 G

Sigma-Aldrich 3-Isopropyl-5-Methylthiazolo[2,3-C][1,2,4]Triazole-6-Carboxylic Acid 1 G

Sigma-Aldrich 3-Amino-1,2,4-Triazole-5-Carboxylic Acid Hydrate, CAS 304655-78-5, 98% 25 G | Metal

Sigma-Aldrich 4-Phenylthiazole-5-Carboxylic Acid 1 G

Sigma-Aldrich 2-Chloropyridine-4-Carboxylic Acid, CAS 6313-54-8, 97% 5 G

Sigma-Aldrich (R)-( )-2-Oxothiazolidine-4-Carboxylic Acid, CAS 19771-63-2, ≥97% (TLC), ≥98% (Titration) 5 G

Sigma-Aldrich 3-(4-Chlorophenyl)Isoxazole-5-Carboxylic Acid, CAS 338982-11-9 1 G

Sigma-Aldrich 9-Oxofluorene-4-Carboxylic Acid, CAS 6223-83-2, 97% 5 G

Sigma-Aldrich Poly(N-Isopropyl Acrylamide), Carboxylic Acid, Thiol 1 G

Sigma-Aldrich 1-Acetylpiperidine-4-Carboxylic Acid, CAS 25503-90-6, 97% 5 G

Sigma-Aldrich 4-Hydroxy-2-Methylquinoline-6-Carboxylic Acid 1 G

Sigma-Aldrich 3-Methylisothiazole-4-Carboxylic Acid, CAS 15903-66-9 1 G

Sigma-Aldrich (S)-( )-Indoline-2-Carboxylic Acid, CAS 79815-20-6, 99% 1 G

Sigma-Aldrich 1,2,4-Triazole-3-Carboxylic Acid, CAS 4928-87-4, 97% 10 G

Sigma-Aldrich 1H-Indene-3-Carboxylic Acid, CAS 5020-21-3, Aldrichcpr 1 G

Sigma-Aldrich 1-Methylimidazole-4-Carboxylic Acid, CAS 41716-18-1, 97% 500 Mg

Sigma-Aldrich 1-Cyclohexyl-1H-Pyrazole-4-Carboxylic Acid 25 Mg

Sigma-Aldrich 4-Methyl-1H-Indole-2-Carboxylic Acid, Aldrichcpr 100 Mg

Sigma-Aldrich 3-Cyclohexyl-1H-Pyrazole-4-Carboxylic Acid, CAS 874908-44-8, Aldrichcpr 1 G

Sigma-Aldrich 3-Methylpyrazole-4-Carboxylic Acid, CAS 40704-11-8, 97% 1 G

Sigma-Aldrich Poly(N-Isopropylacrylamide), Carboxylic Acid Terminated, Average M 5,000 1 G

Sigma-Aldrich 5-Hydroxy-4-Oxo-4H-Pyran-2-Carboxylic Acid, CAS 499-78-5, 97% 1 G

Sigma-Aldrich 2,4-Dihydroxypyrimidine-5-Carboxylic Acid, CAS 23945-44-0, 95% 5 G

Sigma-Aldrich 7-Chloroquinoline-3-Carboxylic Acid 1 G

Sigma-Aldrich 4-Hydroxy-6-Methoxyquinoline-3-Carboxylic Acid, CAS 28027-16-9 1 G

Sigma-Aldrich 6-Chloropyridine-3-Carboxylic Acid, CAS 5326-23-8, 99% 5 G

Sigma-Aldrich 2-(2-Thienyl)-1,3-Thiazole-4-Carboxylic Acid, CAS 24044-07-3, Aldrichcpr 1 G

Sigma-Aldrich Isoxazole-4-Carboxylic Acid, CAS 6436-62-0, Aldrichcpr 25 Mg