Metribuzin

Name: Metribuzin
Brand: Vaqora Chemicals
SKU: VQ-032351

About Metribuzin

Listed under CAS 21087-64-9, Metribuzin is a high-purity reference standard of Metribuzin available from Vaqora Chemicals. With the molecular formula C8H14N4OS, it has a molar mass of 214.29 g/mol. Its systematic (IUPAC) name is 4-amino-6-tert-butyl-3-methylsulfanyl-1,2,4-triazin-5-one. It is also known as Lexone or Metribuzine.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Warning” with 4 hazard statements. Review the Safety Data Sheet before use.

As a reference sample of Metribuzin, it is used for identification, assay and impurity-profiling work during analytical method development, validation (AMV) and routine QC. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Metribuzin in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material
Agrochemical formulations

Industries

Related to Metribuzin

View every impurity, metabolite and intermediate we list for Metribuzin.

Metribuzin impurities

Specifications & identifiers

Chemical identifiers
Product name	Metribuzin
Catalogue No.	VQ-032351
CAS Number	21087-64-9
IUPAC name	4-amino-6-tert-butyl-3-methylsulfanyl-1,2,4-triazin-5-one
Molecular formula	C₈H₁₄N₄OS
Molecular weight	214.29 g/mol
Exact mass	214.0888
Grade	Reference Standard
HSN code	38229090
InChIKey	FOXFZRUHNHCZPX-UHFFFAOYSA-N
SMILES	CC(C)(C)C1=NN=C(N(C1=O)N)SC
PubChem CID	30479

Physical properties
Physical form	Solid
LogP (XLogP3)	1.7
H-bond donors / acceptors	1 / 5
TPSA	96.4 Å²
Synonyms	Lexone, Metribuzine, Sencoral, Lexone DF, Sencor DF, Lexone 4L, Sencor 4F, Bayer 6159H, Bayer 6443H, Bayer 94337, Sencorex L.F., BAY dic 1468

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H373May causes damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P260, P264, P270, P273, P301 + P317, P319, P330, P391, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Metribuzin?

The CAS Registry Number of Metribuzin is 21087-64-9. It is also known as Lexone, Metribuzine, Sencoral.

What is the molecular formula and molecular weight of Metribuzin?

Metribuzin has the molecular formula C8H14N4OS and a molecular weight of 214.29 g/mol. Its IUPAC name is 4-amino-6-tert-butyl-3-methylsulfanyl-1,2,4-triazin-5-one.

What is Metribuzin used for?

Metribuzin is supplied as a characterised reference material related to Metribuzin. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Metribuzin can I order?

We supply Metribuzin in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Metribuzin?

Yes. Every lot of Metribuzin is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Metribuzin be shipped internationally?

Yes. Metribuzin is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.