Substance Information

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Key Regulatory data, the new Classification & Labelling (C&L) Inventory, and REACH Registration data can now be found in ECHA CHEM. For the time being regulatory data here are still updated daily. The old C&L Inventory was last updated on 30 September 2025. REACH Registration and C&L Inventory data will be removed from here by 18 December 2025. Due to a technical upgrade and the coming holidays, data on ECHA CHEM will remain frozen between 5 December 2025 and 10 January 2026.

More information on the transition to ECHA CHEM

Substance Information

IC

((2R,3S,4R,5R)-3,4-dihydroxy-5-((E)-4-(hydroxyimino)-2-oxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl isobutyrate

EC / List no.: 859-180-1

CAS no.:2349386-89-4

Mol. Formula:

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Key datasets

Brief Profile
 
REACH registered
substance factsheets
C&L
Inventory
Biocidal active
substance factsheets
PACT tool
 
Regulatory Obligations

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Regulatory context

Here you can find all of the regulations and regulatory lists in which this substance appears, according to the data available to ECHA. This substance has been found in the following regulatory activities (directly, or inheriting the regulatory context of a parent substance):

  • Substances for which classification and labeling data have been submitted to ECHA in a registration under REACH or notified by manufacturers or importers under CLP. Such notifications are required for hazardous substances, as such or in mixtures, as well as for all substances subject to registration, regardless of their hazard.
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Substance names and other identifiers

IUPAC names
((2R,3S,4R,5R)-3,4-dihydroxy-5-((E)-4-(hydroxyimino)-2-oxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl isobutyrate
C&L Inventory
Hydroxycytidine derivative
C&L Inventory
Molnupiravir
C&L Inventory
Other identifiers
2349386-89-4
C&L Inventory
CAS number