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Product Name: NCI 143-474
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38128-83-5

38128-83-5 structure

38128-83-5 structure

Name: nci 143-474
Chemical Name: nci 143-474
CAS Number: 38128-83-5
Molecular Formula: C₄₂H₅₆N₂O₁₃
Molecular Weight: 796.90000
Create Date: 2017-11-12 16:48:11
Modify Date: 2025-08-26 09:43:16

Name	nci 143-474
Synonyms	rifamycin-AF/MO rifaldehyde O-butyl-oxime 3-Formylrifamycin SV O-methyloxim rifaldehyde O-methyl-oxime 3-Formylrifamycin SV O-n-Butyloxim AF/MO

Density	1.31g/cm3
Molecular Formula	C₄₂H₅₆N₂O₁₃
Molecular Weight	796.90000
Exact Mass	796.37800
PSA	222.90000
LogP	6.04270
Index of Refraction	1.603

CHEMICAL IDENTIFICATION

RTECS NUMBER :: KD1768000

CHEMICAL NAME :: 2,7-(Epoxypentadeca(1,11,13)trienimino)naphtho(2,1-b) furan-1,11(2H)-dione, 3-formyl-5,6,9 17,19,21-hexahydroxy-23-methoxy-2,4,12,16,18,20,22-he ptamethyl-, 21-acetate, O-butyloxime

CAS REGISTRY NUMBER :: 38128-83-5

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C42-H56-N2-O13

MOLECULAR WEIGHT :: 797.00

WISWESSER LINE NOTATION :: T C6 B65-24- A D E 2BC G& AV LO NO F&VM OU B&U D&U MH&&&TJ DQ E1UNO4 GQ IQ J1 M1 QO1 R1 SOV1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 73 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 17,396,1974

5622-77-5 structure

5622-77-5

13292-22-3 structure

13292-22-3

~%

38128-83-5 structure

38128-83-5

Literature: Cricchio; Lancini; Tamborini; Sensi Journal of Medicinal Chemistry, 1974 , vol. 17, # 4 p. 396 - 403

Precursor 2
5622-77-5 13292-22-3
DownStream 0

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