Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Virginiamycin M1
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Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Virginiamycin M1
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3H-21,18-Nitrilo-1H,22H-pyrrolo[2,1-c][1,8,4,19]dioxadiazacyclotetracosine-1,7,16,22(4H,17H)-tetrone,8,9,14,15,24,25-hexahydro-14-hydroxy-4,12-dimethyl-3-(1-methylethyl)-, (3R,4R,5E,10E,12E,14S)-
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21411-53-0

21411-53-0 structure

21411-53-0 structure

Name: Virginiamycin M1
Chemical Name: pristinamycin IIA
CAS Number: 21411-53-0
Molecular Formula: C₂₈H₃₅N₃O₇
Molecular Weight: 525.59300
Catalog: Signaling Pathways Anti-infection Bacterial
Create Date: 2018-09-10 20:09:16
Modify Date: 2025-08-25 10:40:38
Pristinamycin IIA (RP 12536) is a macrocyclic lactone peptolide antibiotic, derived from Streptomyces pristinaespiralis, which is a member of the streptogramin A group of antibiotics[1].

Name	pristinamycin IIA
Synonyms	Vernamycin A Staphylomycin M1 STAPHYLOMYCIN Antibiotic PA-114A1 pristinamycin component IIA VIRGINIAMYCINE MIKAMYCIN A Pristinamycin IIA VIRGINIAMYCIN M1 Streptogramin A

Description	Pristinamycin IIA (RP 12536) is a macrocyclic lactone peptolide antibiotic, derived from Streptomyces pristinaespiralis, which is a member of the streptogramin A group of antibiotics[1].
Related Catalog	Research Areas >> Infection Signaling Pathways >> Anti-infection >> Bacterial
Target	Bacterial[1]
References	[1]. Sezonov G, et al. Complete conversion of antibiotic precursor to pristinamycin IIA by overexpression of Streptomyces pristinaespiralis biosynthetic genes. Nat Biotechnol. 1997 Apr;15(4):349-53.

Density	1.26 g/cm3
Boiling Point	825.2ºC at 760 mmHg
Melting Point	165-170 °C
Molecular Formula	C₂₈H₃₅N₃O₇
Molecular Weight	525.59300
Flash Point	452.9ºC
Exact Mass	525.24800
PSA	139.04000
LogP	2.92610
Vapour Pressure	0mmHg at 25°C
Index of Refraction	1.586
Storage condition	-20°C

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
RIDADR	NONH for all modes of transport
WGK Germany	3.0

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