An antitumor antibiotic
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Mazethramycin B

Item No. 43834

Product Insert (PDF)
Technical Information
Formal Name
N-methyl-3-(5,10,11,11a-tetrahydro-9-hydroxy-11-methoxy-8-methyl-5-oxo-1H-pyrrolo[2,1-c][1,4]benzodiazepin-2-yl)-2-propenamide
CAS Number
68373-95-5
Synonyms
  • NSC 326670
Molecular Formula
C18H21N3O4
Formula Weight
Purity
≥95%
A solid
SMILES
O=C(C1=CC=C(C)C(O)=C1NC(C2C3)OC)N2C=C3C=CC(NC)=O
InChi Code
InChI=1S/C18H21N3O4/c1-10-4-6-12-15(16(10)23)20-17(25-3)13-8-11(5-7-14(22)19-2)9-21(13)18(12)24/h4-7,9,13,17,20,23H,8H2,1-3H3,(H,19,22)
InChi Key
DBZISAXLVWRHPS-UHFFFAOYSA-N
Origin
Bacterium/Streptomyces thioluteus ME561-L4
Shipping & Storage Information
Storage
-20°C
Shipping
Wet ice in continental US; may vary elsewhere
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    Product Description

    Mazethramycin B is an antitumor antibiotic that has been isolated from S. thioluteus.1 It is active against nine bacteria, including S. aureus, B. subtilis, and K. pneumoniae (MICs = 3.12, 1.56, and 3.12 mg/ml, respectively), and the fungus C. pseudotropicalis (MIC = 6.25 mg/ml). Mazethramycin B (31.3 mg/kg per day) increases survival in a L1210 murine leukemia model.

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Kunimoto, S., Masuda, T., Kanbayashi, N., et alMazethramycin, a new member of anthramycin group antibiotics. J. Antibiot. (Tokyo) 33(6), 665-667 (1980).