API Process Intermediates & Related Compounds

N4-Hydroxycytidine

Name: N4-Hydroxycytidine
Brand: Zemixal
SKU: ZX-012711

Reference StandardIn stock

Buy N4-Hydroxycytidine (CAS 3258-02-4) from Zemixal: C9H13N3O6, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-012711.

Pack sizes

CAS number3258-02-4

FormulaC₉H₁₃N₃O₆

Molar mass259.22 g/mol

Physical formSolid

HS code2933

InChIKeyXCUAIINAJCDIPM-XVFCMESISA-N

IUPAC name1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-4-(hydroxyamino)pyrimidin-2-one

About N4-Hydroxycytidine

N4-Hydroxycytidine is part of the Zemixal API Process Intermediates & Related Compounds range. Key data (Reference Standard): CAS 3258-02-4, formula C9H13N3O6 and molar mass 259.22 g/mol. It is handled as a solid.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Safe handling

It carries the GHS signal word Warning (H302, H315, H319 and H335), so wear gloves and eye protection and work with good ventilation.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Each lot travels with a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Molnupiravir

See every impurity, metabolite and related compound we list for this API.

Molnupiravir standards

Typical uses

API route development
Impurity fate & purge studies
Analytical method development

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of N4-Hydroxycytidine
Product name	N4-Hydroxycytidine
Catalogue number	ZX-012711
CAS number	3258-02-4
IUPAC name	1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-4-(hydroxyamino)pyrimidin-2-one
Molecular formula	C₉H₁₃N₃O₆
Molar mass	259.22 g/mol
Exact mass	259.0804
Grade	Reference Standard
Physical form	Solid
XLogP3	-2.2
H-bond donors / acceptors	5 / 6
Topological polar surface area	135 Å²
HS code	2933
InChIKey	XCUAIINAJCDIPM-XVFCMESISA-N
SMILES	C1=CN(C(=O)N=C1NO)[C@H]2[C@@H]([C@@H]([C@H](O2)CO)O)O
PubChem CID	197020
Synonyms	EIDD 1931, N-Hydroxycytidine, NHC, 4-Oxime Uridine, N(4)-Hydroxycytidine, EIDD-1931, Uridine, 4-oxime, 4-N-Hydroxycytidine, EiDD1931, Beta-D-N4-hydroxycytidine, N-4-Hydroxycytidine, Cytidine, N-hydroxy-

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Irritant or harmful

Signal word Warning

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of N4-Hydroxycytidine
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about N4-Hydroxycytidine

Which CAS number identifies N4-Hydroxycytidine?

N4-Hydroxycytidine is registered under CAS 3258-02-4. You may also see it listed as EIDD 1931, N-Hydroxycytidine, NHC. Our catalogue number for this item is ZX-012711.

What are the formula and molar mass of N4-Hydroxycytidine?

For N4-Hydroxycytidine, its formula is C9H13N3O6 and its molar mass is 259.22 g/mol. The systematic (IUPAC) name is 1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-4-(hydroxyamino)pyrimidin-2-one. InChIKey XCUAIINAJCDIPM-XVFCMESISA-N lets you match it in any structure database.

How is N4-Hydroxycytidine used in pharmaceutical QC?

N4-Hydroxycytidine is a characterised reference material linked to Molnupiravir. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for N4-Hydroxycytidine?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with N4-Hydroxycytidine?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship N4-Hydroxycytidine to my country?

Yes. Because N4-Hydroxycytidine is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

More Molnupiravir standards

More in API Process Intermediates & Related Compounds

N4-Hydroxycytidine Hydrate Salt

CAS: 2684302-83-6
Formula: C₉H₁₃N₃O₆.H₂O
MW: 277.22 g/mol

ZX-012712

Molnupiravir Stage 1

Formula: C₁₂H₁₆N₂O₆
MW: 284.27 g/mol

ZX-012628

Uridine 5'-(2-Methylpropanoate)

CAS: 886538-48-3
Formula: C₁₃H₁₈N₂O₇
MW: 314.29 g/mol

ZX-012901

Uridine, 4-oxime, 2',3',5'-(2-methylpropanoate)

CAS: 2346619-88-1
Formula: C₂₁H₃₁N₃O₉
MW: 469.5 g/mol

ZX-012902

Cytidine Hydrochloride

CAS: 7244-51-1
Formula: C₉H₁₄ClN₃O₅
MW: 279.68 g/mol

ZX-012374

Cytidine Ester

CAS: 886538-46-1
Formula: C₁₃H₁₉N₃O₆
MW: 313.31 g/mol

ZX-012373

Cytidine

CAS: 65-46-3
Formula: C₉H₁₃N₃O₅
MW: 243.22 g/mol

ZX-012372

Molnupiravir WS

CAS: 2349386-89-4
Formula: C₁₃H₁₉N₃O₇
MW: 329.31 g/mol

ZX-006656

Have a list of compounds to price?

Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.

Bulk CAS lookup Open quote list