Virginiamycin

Virginiamycin is a streptogramin antibiotic similar to pristinamycin and quinupristin/dalfopristin. It is a combination of pristinamycin IIA (virginiamycin M1) and virginiamycin S1.^[1] Virginiamycin is used in the fuel ethanol industry to prevent microbial contamination.^[2] It is also used in agriculture, specifically in livestock, to accelerate the growth of the animals and to prevent and treat infections. ^[3] Antibiotics also save as much as 30% in feed costs among young swine, although the savings fade as pigs get older, according to a USDA study.^[3]

Virginiamycin

Combination of
Virginiamycin S1	streptogramin B antibiotic
Pristinamycin IIA	streptogramin A antibiotic
Clinical data
AHFS/Drugs.com	FDA Professional Drug Information
MedlinePlus	a603007
ATC code	D06AX10 (WHO) QJ01FG90 (WHO)
Identifiers
CAS Number	11006-76-1 Y
DrugBank	DB01669 N
UNII	C49WS9N75L
KEGG	D06311 Y
ChEBI	CHEBI:87209 N
NIAID ChemDB	008734
E number	E711 (antibiotics)
CompTox Dashboard (EPA)	DTXSID30873800
ECHA InfoCard	100.031.119
Chemical and physical data
Melting point	138 to 140 °C (280 to 284 °F) (dec.)
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