MC21-A

MC21-A
Names
	Preferred IUPAC name 3,3′,5,5′-Tetrabromo[1,1′-biphenyl]-2,2′-diol
	Other names Bromophene; 2,2'-Dihydroxy-3,3',5,5'-tetrabromobiphenyl; 3,3',5,5'-Tetrabromo-2,2'-biphenyldiol
Identifiers
CAS Number	21987-62-2 ;
3D model (JSmol)	Interactive image ;
ChemSpider	28660 ;
ECHA InfoCard	100.161.669
MeSH	3,3',5,5'-tetrabromo-2,2'-biphenyldiol
PubChem CID	30891 ;
RTECS number	DV5185000;
UNII	3BG8N9724B ;
CompTox Dashboard (EPA)	DTXSID30176404 ;
	InChI InChI=1S/C12H6Br4O2/c13-5-1-7(11(17)9(15)3-5)8-2-6(14)4-10(16)12(8)18/h1-4,17-18H Key: TXODBIOSWNNKJM-UHFFFAOYSA-N;
	SMILES C1=C(C=C(C(=C1Br)O)C2=CC(=CC(=C2O)Br)Br)Br;
Properties
Chemical formula	C12H6Br4O2
Molar mass	501.794 g·mol−1
Appearance	Cryst. (CHCl3)
Melting point	205 to 207 °C (401 to 405 °F; 478 to 480 K)
Solubility in water	Sol. MeOH, CHCl3; insol. H2O, hexane
Related compounds
Related biphenyls	MC21-B ; Polybrominated biphenyl
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Last updated June 08, 2025

MC21-A (bromophene) is an bactericidal antibiotic isolated from the O-BC30 strain of a new marine bacterium, Pseudoalteromonas phenolica .^[1]

References

↑ Isnansetyo, Alim; Kamei, Yuto (February 2003). "MC21-A, a Bactericidal Antibiotic Produced by a New Marine Bacterium, Pseudoalteromonas phenolica sp. nov. O-BC30T, against Methicillin-Resistant Staphylococcus aureus". Antimicrobial Agents and Chemotherapy . 47 (2). Washington, DC: American Society for Microbiology: 480–488. doi:10.1128/AAC.47.2.480-488.2003. ISSN 1098-6596. OCLC 678833406. PMC 151744 . PMID 12543647.

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[Isnansetyo_&_Kamei-1] Isnansetyo, Alim; Kamei, Yuto (February 2003). "MC21-A, a Bactericidal Antibiotic Produced by a New Marine Bacterium, Pseudoalteromonas phenolica sp. nov. O-BC30T, against Methicillin-Resistant Staphylococcus aureus". Antimicrobial Agents and Chemotherapy . 47 (2). Washington, DC: American Society for Microbiology: 480–488. doi:10.1128/AAC.47.2.480-488.2003. ISSN 1098-6596. OCLC 678833406. PMC 151744 . PMID 12543647.

[1]

Names

Preferred IUPAC name 3,3′,5,5′-Tetrabromo[1,1′-biphenyl]-2,2′-diol
Other names Bromophene; 2,2'-Dihydroxy-3,3',5,5'-tetrabromobiphenyl; 3,3',5,5'-Tetrabromo-2,2'-biphenyldiol
Identifiers
CAS Number	21987-62-2
3D model (JSmol)	Interactive image
ChemSpider	28660
ECHA InfoCard	100.161.669
MeSH	3,3',5,5'-tetrabromo-2,2'-biphenyldiol
PubChem CID	30891
RTECS number	DV5185000
UNII	3BG8N9724B ^Y
CompTox Dashboard (EPA)	DTXSID30176404
InChI InChI=1S/C12H6Br4O2/c13-5-1-7(11(17)9(15)3-5)8-2-6(14)4-10(16)12(8)18/h1-4,17-18H Key: TXODBIOSWNNKJM-UHFFFAOYSA-N
SMILES C1=C(C=C(C(=C1Br)O)C2=CC(=CC(=C2O)Br)Br)Br
Properties
Chemical formula	C₁₂H₆Br₄O₂
Molar mass	501.794 g·mol⁻¹
Appearance	Cryst. (CHCl₃)
Melting point	205 to 207 °C (401 to 405 °F; 478 to 480 K)
Solubility in water	Sol. MeOH, CHCl₃ insol. H₂O, hexane
Related compounds
Related biphenyls	MC21-B Polybrominated biphenyl
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references