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*Please inquire the availability for this product. Questiomycin A is a phenoxazine produced by several Streptomyces species and some fungi and bacteria. Questiomycin A is weakly active against bacteria, fungi, plants and tumor cell lines, and inhibits aromatase and sulfatases. Questiomycin, like other phenoxazines, stimulates cell growth and turnover in vitro, an activity possibly related to their ability to form stable free radicals. More recently, questiomycin A has been shown to inhibit pulmonary metastasis caused by mouse melanoma cells. Questiomycin A and related phenoxazines are important dereplication standards in discovery research to eliminate leads due to high amounts of weakly potent actives.

Additional Information

Synonyms	2-Amino-3H-phenoxazin-3-one, 2-Aminophenoxazone, AV Toxin C, NSC 94945
Product #	Q-2423
CAS #	1916-59-2
Formula	C12H8N2O2
MW	212.2
Appearance	Red to red brown solid
Purity	>98% by HPLC
Melting Point	144.37 °C
Storage Temp	-20°C
Therapeutic Area	Infectious Diseases
Use	Questiomycin A is weakly active against bacteria, fungi, plants and tumour cell lines

Additional Information

MDL Number	MFCD00207317
InChI	InChI=1S/C12H8N2O2/c13-7-5-9-12(6-10(7)15)16-11-4-2-1-3-8(11)14-9/h1-6H,13H2
SMILES	c1ccc2c(c1)nc-3cc(c(=O)cc3o2)N