Dipyridamole Tetrachloro Impurity

Name: Dipyridamole Tetrachloro Impurity
Brand: Vaqora Chemicals
SKU: VQ-032617

About Dipyridamole Tetrachloro Impurity

Dipyridamole Tetrachloro Impurity is an impurity of Dipyridamole carrying the CAS registry number 32980-71-5. Its molecular formula is C6Cl4N4 and its molecular weight is 269.9 g/mol. Its systematic (IUPAC) name is 2,4,6,8-tetrachloropyrimido[5,4-d]pyrimidine. Common synonyms include Tetrachloropyrimido(5,4-d)pyrimidine and Perchloropyrimido[5,4-d]pyrimidine.

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. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

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

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

Typical applications

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

Industries

Related to Dipyridamole

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

Dipyridamole impurities

Specifications & identifiers

Chemical identifiers
Product name	Dipyridamole Tetrachloro Impurity
Catalogue No.	VQ-032617
CAS Number	32980-71-5
IUPAC name	2,4,6,8-tetrachloropyrimido[5,4-d]pyrimidine
Molecular formula	C₆Cl₄N₄
Molecular weight	269.9 g/mol
Exact mass	269.8848
Grade	Reference Standard
HSN code	38229090
InChIKey	QNKFHUMDHRWWES-UHFFFAOYSA-N
SMILES	C12=C(C(=NC(=N1)Cl)Cl)N=C(N=C2Cl)Cl
PubChem CID	97007

Physical properties
Physical form	Solid
LogP (XLogP3)	3.8
H-bond donors / acceptors	0 / 4
TPSA	51.6 Å²
Synonyms	Tetrachloropyrimido(5,4-d)pyrimidine, Perchloropyrimido[5,4-d]pyrimidine, Pyrimido[5,4-d]pyrimidine, tetrachloro-, 2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine, tetrachloropyrimidopyrimidine, Pyrimido[5,4-d]pyrimidine, 2,4,6,8-tetrachloro-, 2,4,6,8-tetrachloropyrimidopyrimidine, Pyrimido[5,4-d]Pyrimidine Impurity 2, 2,6,8-Tetrachloropyrimido[5,4-d]pyrimidine, 2,4,6,8-tetrachloropyrimidino[5,4-d]pyrimidine

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation

Precautionary statements: P264, P264 + P265, P280, P302 + P352, P305 + P351 + P338, P321, P332 + P317, P337 + P317, P362 + P364

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 Dipyridamole Tetrachloro Impurity?

The CAS Registry Number of Dipyridamole Tetrachloro Impurity is 32980-71-5. It is also known as Tetrachloropyrimido(5,4-d)pyrimidine, Perchloropyrimido[5,4-d]pyrimidine, Pyrimido[5,4-d]pyrimidine, tetrachloro-.

What is the molecular formula and molecular weight of Dipyridamole Tetrachloro Impurity?

Dipyridamole Tetrachloro Impurity has the molecular formula C6Cl4N4 and a molecular weight of 269.9 g/mol. Its IUPAC name is 2,4,6,8-tetrachloropyrimido[5,4-d]pyrimidine.

What is Dipyridamole Tetrachloro Impurity used for?

Dipyridamole Tetrachloro Impurity is supplied as a characterised reference material related to Dipyridamole. 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 Dipyridamole Tetrachloro Impurity can I order?

We supply Dipyridamole Tetrachloro Impurity 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 Dipyridamole Tetrachloro Impurity?

Yes. Every lot of Dipyridamole Tetrachloro Impurity 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 Dipyridamole Tetrachloro Impurity be shipped internationally?

Yes. Dipyridamole Tetrachloro Impurity 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.