RIFAMYCIN O
UNII Z67LEM9P1W

Substance Identification & Data

This profile provides standardized clinical and technical data for Rifamycin O, uniquely identified by the FDA Unique Ingredient Identifier (UNII) Z67LEM9P1W.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 14487-05-9 and the RxNorm Concept ID (RxCUI) N/A. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code

Z67LEM9P1W

CAS Registry Number

14487-05-9

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

RIFAMYCIN O

Official standardized name for this substance within the FDA UNII nomenclature system.

InChIKey

C39H47NO14

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

RAFHKEAPVIWLJC-TWYIRNIGSA-N

Line notation for describing the chemical structure and connectivity of atoms.

PubChem CID

73415874

Unique identification number in the NCBI database of chemical substances.

Substance Type

chemical

ISO 11238 classification category (e.g., Chemical, Polymer, Protein).

Ingredient Role

c12c3c4C(C(NC(/C(=C\C=C\[C@H](C)[C@@H]([C@H]([C@H]([C@H]([C@@H]([C@@H]([C@H](/C=C/O[C@@](C1=O)(C)Oc2c(c4O)C)OC)C)OC(=O)C)C)O)C)O)/C)=O)=C[C@@]35OC(CO5)=O)=O

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Rifamycin O. Identifiers are organized into official regulatory terms, commercial trade names, and technical systematic synonyms used to ensure accurate identification across clinical pharmaceutical databases, regulatory filings, and electronic health records.

Common Names & Synonyms

4-O-(CARBOXYMETHYL)-1-DEOXY-1,4-DIHYDRO-4-HYDROXY-1-OXORIFAMYCIN .GAMMA.-LACTONE

RIFAMYCIN O

RIFAMYCIN O [EP IMPURITY]

RIFAMYCIN O [MI]

RIFAMYCIN SODIUM IMPURITY C [EP IMPURITY]

RIFAXIMIN IMPURITY F [EP IMPURITY]

Systematic Nomenclature

((2RS,2S,12Z,14E,16S,17S,18R,19R,20R,21S,22R,23S,24E)-5,17,19-TRIHYDROXY-23-METHOXY-2,4,12,16,18,20,22-HEPTAMETHYL-1,4,6,11-TETRAOXO-1,2-DIHYDROSPIRO(1,3-DIOXOLANE-2,9(6H)-(2,7)(EPOXYPENTADECA(1,11,13)TRIENAZANO)NAPHTHO(2,1-B)FURAN)-21-YL ACETATE

SYS

Technical Codes

NSC-182391

External Clinical & Regulatory Resources

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