Eprinomectin

About Eprinomectin

Eprinomectin is a high-purity reference standard of Eprinomectin carrying the CAS registry number 123997-26-2. With the molecular formula C49H73NO14, it has a molar mass of 900.1 g/mol. Alternative names: Eprinomectin (Mixture of B1a and B1b) and Eprinex Pour-On for Beef and Dairy Cattle.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. It carries the GHS signal word “Danger” with 5 hazard statements. Review the Safety Data Sheet before use.

Laboratories use this Eprinomectin standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Eprinomectin in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Eprinomectin

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

Eprinomectin impurities

Specifications & identifiers

Chemical identifiers
Product name	Eprinomectin
Catalogue No.	VQ-037034
CAS Number	123997-26-2
IUPAC name	N-[(2S,3R,4R,6S)-6-[(2S,3R,4S,6R)-6-[(1'R,2R,3S,4'S,6S,8'R,10'Z,12'S,13'S,14'Z,16'Z,20'R,21'R,24'S)-21',24'-dihydroxy-3,11',13',22'-tetramethyl-2'-oxo-2-propan-2-ylspiro[2,3-dihydropyran-6,6'-3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa-10,14,16,22-tetraene]-12'-yl]oxy-4-methoxy-2-methyloxan-3-yl]oxy-4-methoxy-2-methyloxan-3-yl]acetamide
Molecular formula	C₄₉H₇₃NO₁₄
Molecular weight	900.1 g/mol
Exact mass	899.5031
Grade	Reference Standard
HSN code	38229090
InChIKey	WPNHOHPRXXCPRA-TVXIRPTOSA-N
SMILES	C[C@H]1/C=C\C=C/2\CO[C@H]3[C@@]2([C@@H](C=C([C@H]3O)C)C(=O)O[C@H]4C[C@@H](C/C=C(\[C@H]1O[C@H]5C[C@@H]([C@@H]([C@@H](O5)C)O[C@H]6C[C@H]([C@@H]([C@@H](O6)C)NC(=O)C)OC)OC)/C)O[C@]7(C4)C=C[C@@H]([C@H](O7)C(C)C)C)O
PubChem CID	6450531

Physical properties
Physical form	Solid
LogP (XLogP3)	3.5
H-bond donors / acceptors	3 / 14
TPSA	179 Å²
Synonyms	Eprinomectin (Mixture of B1a and B1b), Eprinex Pour-On for Beef and Dairy Cattle, EpriGard Pour-On for Beef and Dairy Cattle, AAB(1) avermectin, Eprinomectine, MK 397, MK-397, Avermectin B1, 4''-(acetylamino)-4''-deoxy-, (4''R)-

Safety & hazard information (GHS)

Toxic

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H361Suspected of damaging fertility or the unborn child
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: P203, P260, P264, P270, P273, P280, P301 + P316, P318, P319, P321, P330, P391, P405, 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 Eprinomectin?

The CAS Registry Number of Eprinomectin is 123997-26-2. It is also known as Eprinomectin (Mixture of B1a and B1b), Eprinex Pour-On for Beef and Dairy Cattle, EpriGard Pour-On for Beef and Dairy Cattle.

What is the molecular formula and molecular weight of Eprinomectin?

Eprinomectin has the molecular formula C49H73NO14 and a molecular weight of 900.1 g/mol.

What is Eprinomectin used for?

Eprinomectin is supplied as a characterised reference material related to Eprinomectin. 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 Eprinomectin can I order?

We supply Eprinomectin 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 Eprinomectin?

Yes. Every lot of Eprinomectin 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 Eprinomectin be shipped internationally?

Yes. Eprinomectin 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.