4,4'-[Methylenebis(methylimino)]diantipyrine

Name: 4,4'-[Methylenebis(methylimino)]diantipyrine
Brand: Zemixal
SKU: ZX-025553

Reference StandardAvailable on request

Order 4,4'-[Methylenebis(methylimino)]diantipyrine (CAS 810-16-2) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes

4,4'-[Methylenebis(methylimino)]diantipyrine chemical structure

CAS number810-16-2

FormulaC₂₅H₃₀N₆O₂

Molar mass446.5 g/mol

Physical formSolid

HS code38229090

InChIKeyGEFDLFMKEPTYLA-UHFFFAOYSA-N

IUPAC name4-[[(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)-methylamino]methyl-methylamino]-1,5-dimethyl-2-phenylpyrazol-3-one

About 4,4'-[Methylenebis(methylimino)]diantipyrine

4,4'-[Methylenebis(methylimino)]diantipyrine is supplied by Zemixal as a characterised reference material for Metamizole analysis. Identity at a glance (Reference Standard): CAS 810-16-2, formula C25H30N6O2 and molar mass 446.5 g/mol. It is handled as a solid.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Handling and storage

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

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Every shipment includes a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Metamizole

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

Metamizole standards

Typical uses

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of 4,4'-[Methylenebis(methylimino)]diantipyrine
Product name	4,4'-[Methylenebis(methylimino)]diantipyrine
Catalogue number	ZX-025553
CAS number	810-16-2
IUPAC name	4-[[(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)-methylamino]methyl-methylamino]-1,5-dimethyl-2-phenylpyrazol-3-one
Molecular formula	C₂₅H₃₀N₆O₂
Molar mass	446.5 g/mol
Exact mass	446.243
Grade	Reference Standard
Physical form	Solid
XLogP3	3.2
H-bond donors / acceptors	0 / 6
Topological polar surface area	53.6 Å²
HS code	38229090
InChIKey	GEFDLFMKEPTYLA-UHFFFAOYSA-N
SMILES	CC1=C(C(=O)N(N1C)C2=CC=CC=C2)N(C)CN(C)C3=C(N(N(C3=O)C4=CC=CC=C4)C)C
PubChem CID	69935
Synonyms	4,4'-(Methylenebis(methylimino))bis(1,2-dihydro-1,5-dimethyl-2-phenyl-3H-pyrazol-3-one)

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

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, 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 4,4'-[Methylenebis(methylimino)]diantipyrine
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 4,4'-[Methylenebis(methylimino)]diantipyrine

Which CAS number identifies 4,4'-[Methylenebis(methylimino)]diantipyrine?

4,4'-[Methylenebis(methylimino)]diantipyrine is registered under CAS 810-16-2. You may also see it listed as 4,4'-(Methylenebis(methylimino))bis(1,2-dihydro-1,5-dimethyl-2-phenyl-3H-pyrazol-3-one). Our catalogue number for this item is ZX-025553.

What are the formula and molar mass of 4,4'-[Methylenebis(methylimino)]diantipyrine?

For 4,4'-[Methylenebis(methylimino)]diantipyrine, its formula is C25H30N6O2 and its molar mass is 446.5 g/mol. The systematic (IUPAC) name is 4-[[(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)-methylamino]methyl-methylamino]-1,5-dimethyl-2-phenylpyrazol-3-one. InChIKey GEFDLFMKEPTYLA-UHFFFAOYSA-N lets you match it in any structure database.

How is 4,4'-[Methylenebis(methylimino)]diantipyrine used in pharmaceutical QC?

4,4'-[Methylenebis(methylimino)]diantipyrine is a characterised reference material linked to Metamizole. 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 4,4'-[Methylenebis(methylimino)]diantipyrine?

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 4,4'-[Methylenebis(methylimino)]diantipyrine?

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 4,4'-[Methylenebis(methylimino)]diantipyrine to my country?

Yes. Because 4,4'-[Methylenebis(methylimino)]diantipyrine 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.

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