(E/Z)-Ensifentrine

Name: (E/Z)-Ensifentrine
Brand: Vaqora Chemicals
SKU: VQ-025541

About (E/Z)-Ensifentrine

Vaqora Chemicals supplies (E/Z)-Ensifentrine, a high-purity reference standard of Ensifentrine registered under CAS number 298680-25-8. Its molecular formula is C26H31N5O4 and its molecular weight is 477.6 g/mol. The IUPAC name is 2-[9,10-dimethoxy-4-oxo-2-(2,4,6-trimethylphenyl)imino-6,7-dihydropyrimido[6,1-a]isoquinolin-3-yl]ethylurea. Alternative names: (E/Z)-Ensifentrine (RPL-554) and Ensifentrine.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Laboratories use this Ensifentrine standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, (E/Z)-Ensifentrine is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Ensifentrine

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

Ensifentrine impurities

Specifications & identifiers

Chemical identifiers
Product name	(E/Z)-Ensifentrine
Catalogue No.	VQ-025541
CAS Number	298680-25-8
IUPAC name	2-[9,10-dimethoxy-4-oxo-2-(2,4,6-trimethylphenyl)imino-6,7-dihydropyrimido[6,1-a]isoquinolin-3-yl]ethylurea
Molecular formula	C₂₆H₃₁N₅O₄
Molecular weight	477.6 g/mol
Exact mass	477.2376
Grade	Reference Standard
HSN code	38229090
InChIKey	CSOBIBXVIYAXFM-UHFFFAOYSA-N
SMILES	CC1=CC(=C(C(=C1)C)N=C2C=C3C4=CC(=C(C=C4CCN3C(=O)N2CCNC(=O)N)OC)OC)C
PubChem CID	9934746

Physical properties
Physical form	Solid
LogP (XLogP3)	2.7
H-bond donors / acceptors	2 / 5
TPSA	109 Å²
Synonyms	(E/Z)-Ensifentrine (RPL-554), Ensifentrine, RPL-554, VMX-554, EX-A6633, (E)-Ensifentrine, VMX 554

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Warning

Hazard statements

H315Causes skin irritation
H335May cause respiratory irritation
H373May causes damage to organs through prolonged or repeated exposure

Precautionary statements: P260, P261, P264, P271, P280, P302 + P352, P304 + P340, P319, P321, P332 + P317, P362 + P364, P403 + P233, 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 (E/Z)-Ensifentrine?

The CAS Registry Number of (E/Z)-Ensifentrine is 298680-25-8. It is also known as (E/Z)-Ensifentrine (RPL-554), Ensifentrine, RPL-554.

What is the molecular formula and molecular weight of (E/Z)-Ensifentrine?

(E/Z)-Ensifentrine has the molecular formula C26H31N5O4 and a molecular weight of 477.6 g/mol. Its IUPAC name is 2-[9,10-dimethoxy-4-oxo-2-(2,4,6-trimethylphenyl)imino-6,7-dihydropyrimido[6,1-a]isoquinolin-3-yl]ethylurea.

What is (E/Z)-Ensifentrine used for?

(E/Z)-Ensifentrine is supplied as a characterised reference material related to Ensifentrine. 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 (E/Z)-Ensifentrine can I order?

We supply (E/Z)-Ensifentrine 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 (E/Z)-Ensifentrine?

Yes. Every lot of (E/Z)-Ensifentrine 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 (E/Z)-Ensifentrine be shipped internationally?

Yes. (E/Z)-Ensifentrine 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.