2-Amino-5,6-Dichloro-3,4-Dihydroquinazoline 444904-63-6

About 2-Amino-5,6-Dichloro-3,4-Dihydroquinazoline

2-Amino-5,6-Dichloro-3,4-Dihydroquinazoline is an impurity of Anagrelide carrying the CAS registry number 444904-63-6. With the molecular formula C8H7Cl2N3, it has a molar mass of 216.06 g/mol. Its systematic (IUPAC) name is 5,6-dichloro-1,4-dihydroquinazolin-2-amine. Common synonyms include 5,6-Dichloro-1,4-dihydro-2-quinazolinamine and RL-603.

It is supplied 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.

Pharmaceutical QC and development laboratories use this impurity standard of Anagrelide to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer 2-Amino-5,6-Dichloro-3,4-Dihydroquinazoline in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Anagrelide

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

Anagrelide impurities

Specifications & identifiers

Chemical identifiers
Product name	2-Amino-5,6-Dichloro-3,4-Dihydroquinazoline
Catalogue No.	VQ-029162
CAS Number	444904-63-6
IUPAC name	5,6-dichloro-1,4-dihydroquinazolin-2-amine
Molecular formula	C₈H₇Cl₂N₃
Molecular weight	216.06 g/mol
Exact mass	215.0017
Grade	Reference Standard
HSN code	38229090
InChIKey	VBKOTIVQMCTTAQ-UHFFFAOYSA-N
SMILES	C1C2=C(C=CC(=C2Cl)Cl)NC(=N1)N
PubChem CID	9904281

Physical properties
Physical form	Solid
LogP (XLogP3)	1.4
H-bond donors / acceptors	2 / 1
TPSA	50.4 Å²

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 2-Amino-5,6-Dichloro-3,4-Dihydroquinazoline?

The CAS Registry Number of 2-Amino-5,6-Dichloro-3,4-Dihydroquinazoline is 444904-63-6. It is also known as 5,6-Dichloro-1,4-dihydro-2-quinazolinamine, RL-603, 2-Quinazolinamine, 5,6-dichloro-1,4-dihydro-.

What is the molecular formula and molecular weight of 2-Amino-5,6-Dichloro-3,4-Dihydroquinazoline?

2-Amino-5,6-Dichloro-3,4-Dihydroquinazoline has the molecular formula C8H7Cl2N3 and a molecular weight of 216.06 g/mol. Its IUPAC name is 5,6-dichloro-1,4-dihydroquinazolin-2-amine.

What is 2-Amino-5,6-Dichloro-3,4-Dihydroquinazoline used for?

2-Amino-5,6-Dichloro-3,4-Dihydroquinazoline is supplied as a characterised reference material related to Anagrelide. 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 2-Amino-5,6-Dichloro-3,4-Dihydroquinazoline can I order?

We supply 2-Amino-5,6-Dichloro-3,4-Dihydroquinazoline 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 2-Amino-5,6-Dichloro-3,4-Dihydroquinazoline?

Yes. Every lot of 2-Amino-5,6-Dichloro-3,4-Dihydroquinazoline 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 2-Amino-5,6-Dichloro-3,4-Dihydroquinazoline be shipped internationally?

Yes. We export 2-Amino-5,6-Dichloro-3,4-Dihydroquinazoline worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.