Table 4 Compounds assayed.

From: In vitro Antimicrobial Activity of Acne Drugs Against Skin-Associated Bacteria

Compound Name

Supplier/Batch

MW

Solvent

Stock Solution Concentration (mg/mL)

Concentration range tested (μg/mL)

Azelaic acid

Alfa Aesar Cat# 36308

Batch 5002P21N

188.22

100% DMSO

640

32,000–15

Benzoyl peroxide 75%

Sigma Cat# 517909–5 G

Batch mkbr5398v

242.22

100% DMSO

40.97

2,048–1

Clindamycin hydrochloride

Sigma Cat# PHR1159-1G

Batch P500159

424.98

H2O

3.21

32–0.015

Colistin sulfate

Sigma Cat# C4461

Batch 018K1151

1155.4

H2O

1.28

64–0.03

Dapsone

Sigma Cat# 46158-250 mg

Batch SZBC072XV

248.3

100% DMSO

82

4,100–2*

Erythromycin

Sigma Cat# E5389-5G

Batch 011M1510V

733.93

20% DMSO

3.20

32–0.015

Oxacillin sodium salt hydrate

Sigma Cat# O1002-1G

Batch 018K0610

401.43

H2O

3.20

64–0.03

Salicylic acid

Sigma Cat# A5376-100G

138.12

100% DMSO

640

32,000–15

Tetracycline hydrochloride

Sigma Cat#T7660-5G Batch PDS-064-048

480.90

H2O

3.20

32–0.015

Vancomycin

Sigma Cat# 861987

Batch 087K0694

1485.71

H2O

1.28

64–0.03

  1. *poor solubility at >512 μg/mL.