9,10-Dimethoxy-6,7-dihydro-2H-pyrimido[6,1-a]… 68619-18-1

About 9,10-Dimethoxy-6,7-dihydro-2H-pyrimido[6,1-a]isoquinoline-2,4(3H)-dione

9,10-Dimethoxy-6,7-dihydro-2H-pyrimido[6,1-a]isoquinoline-2,4(3H)-dione is an impurity of Ensifentrine carrying the CAS registry number 68619-18-1. Formula C14H14N2O4, molecular weight 274.27 g/mol. The IUPAC name is 9,10-dimethoxy-6,7-dihydropyrimido[6,1-a]isoquinoline-2,4-dione.

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. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a characterised impurity of Ensifentrine, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer 9,10-Dimethoxy-6,7-dihydro-2H-pyrimido[6,1-a]isoquinoline-2,4(3H)-dione in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

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

Industries

Related to Ensifentrine

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

Ensifentrine impurities

Specifications & identifiers

Chemical identifiers
Product name	9,10-Dimethoxy-6,7-dihydro-2H-pyrimido[6,1-a]isoquinoline-2,4(3H)-dione
Catalogue No.	VQ-048219
CAS Number	68619-18-1
IUPAC name	9,10-dimethoxy-6,7-dihydropyrimido[6,1-a]isoquinoline-2,4-dione
Molecular formula	C₁₄H₁₄N₂O₄
Molecular weight	274.27 g/mol
Exact mass	274.0954
Grade	Reference Standard
HSN code	38229090
InChIKey	HLTDPZGESWXQLF-UHFFFAOYSA-N
SMILES	COC1=C(C=C2C(=C1)CCN3C2=CC(=O)NC3=O)OC
PubChem CID	908572

Physical properties
Physical form	Solid
LogP (XLogP3)	0.8
H-bond donors / acceptors	1 / 4
TPSA	67.9 Å²
Synonyms	2-hydroxy-9,10-dimethoxy-6,7-dihydro-4H-pyrimido[6,1-a]isoquinolin-4-one, 6,7-Dihydro-9,10-dimethoxy-2H-pyrimido[6,1-a]isoquinoline-2,4(3H)-dione, 9,10-Dimethoxy-3H,6H,7H-pyrimido[4,3-a]isoquinoline-2,4-dione, 2-Hydroxy-9,10-dimethoxy-6,7-dihydro-pyrimido[6,1-a]isoquinolin-4-one, 2H-Pyrimido[6,1-a]isoquinoline-2,4(3H)-dione, 6,7-dihydro-9,10-dimethoxy-, 9,10-Dimethoxy-3,4,6,7-tetrahydro-2H pyrimido(6,1-a)isoquinolin-2,4-dione, 9,10-Dimethoxy-3,4,6,7-tetrahydro-2H-pyrimido(6,1-a)isoquinolin-2,4-dione

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 9,10-Dimethoxy-6,7-dihydro-2H-pyrimido[6,1-a]isoquinoline-2,4(3H)-dione?

The CAS Registry Number of 9,10-Dimethoxy-6,7-dihydro-2H-pyrimido[6,1-a]isoquinoline-2,4(3H)-dione is 68619-18-1. It is also known as 2-hydroxy-9,10-dimethoxy-6,7-dihydro-4H-pyrimido[6,1-a]isoquinolin-4-one, 6,7-Dihydro-9,10-dimethoxy-2H-pyrimido[6,1-a]isoquinoline-2,4(3H)-dione, 9,10-Dimethoxy-3H,6H,7H-pyrimido[4,3-a]isoquinoline-2,4-dione.

What is the molecular formula and molecular weight of 9,10-Dimethoxy-6,7-dihydro-2H-pyrimido[6,1-a]isoquinoline-2,4(3H)-dione?

9,10-Dimethoxy-6,7-dihydro-2H-pyrimido[6,1-a]isoquinoline-2,4(3H)-dione has the molecular formula C14H14N2O4 and a molecular weight of 274.27 g/mol. Its IUPAC name is 9,10-dimethoxy-6,7-dihydropyrimido[6,1-a]isoquinoline-2,4-dione.

What is 9,10-Dimethoxy-6,7-dihydro-2H-pyrimido[6,1-a]isoquinoline-2,4(3H)-dione used for?

9,10-Dimethoxy-6,7-dihydro-2H-pyrimido[6,1-a]isoquinoline-2,4(3H)-dione 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 9,10-Dimethoxy-6,7-dihydro-2H-pyrimido[6,1-a]isoquinoline-2,4(3H)-dione can I order?

We supply 9,10-Dimethoxy-6,7-dihydro-2H-pyrimido[6,1-a]isoquinoline-2,4(3H)-dione 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 9,10-Dimethoxy-6,7-dihydro-2H-pyrimido[6,1-a]isoquinoline-2,4(3H)-dione?

Yes. Every lot of 9,10-Dimethoxy-6,7-dihydro-2H-pyrimido[6,1-a]isoquinoline-2,4(3H)-dione 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 9,10-Dimethoxy-6,7-dihydro-2H-pyrimido[6,1-a]isoquinoline-2,4(3H)-dione be shipped internationally?

Yes. We export 9,10-Dimethoxy-6,7-dihydro-2H-pyrimido[6,1-a]isoquinoline-2,4(3H)-dione worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.