2,4,5,6-Tetraaminopyrimidine Sulfate

Name: 2,4,5,6-Tetraaminopyrimidine Sulfate
Brand: Vaqora Chemicals
SKU: VQ-031830

About 2,4,5,6-Tetraaminopyrimidine Sulfate

Vaqora Chemicals supplies 2,4,5,6-Tetraaminopyrimidine Sulfate, an impurity of Methotrexate registered under CAS number 5392-28-9. The compound has the formula C4H10N6O4S, corresponding to a molecular weight of 238.23 g/mol. Common synonyms include tetraaminopyrimidine sulfate and Pyrimidinetetramine, sulfate (1:1).

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

As a characterised impurity of Methotrexate, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Methotrexate

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

Methotrexate impurities

Specifications & identifiers

Chemical identifiers
Product name	2,4,5,6-Tetraaminopyrimidine Sulfate
Catalogue No.	VQ-031830
CAS Number	5392-28-9
IUPAC name	pyrimidine-2,4,5,6-tetramine;sulfuric acid
Molecular formula	C₄H₁₀N₆O₄S
Molecular weight	238.23 g/mol
Exact mass	238.0484
Grade	Reference Standard
HSN code	38229090
InChIKey	MQEFDQWUCTUJCP-UHFFFAOYSA-N
SMILES	C1(=C(N=C(N=C1N)N)N)N.OS(=O)(=O)O
PubChem CID	79358

Physical properties
Physical form	Solid
H-bond donors / acceptors	6 / 10
TPSA	213 Å²
Synonyms	tetraaminopyrimidine sulfate, Pyrimidinetetramine, sulfate (1:1), Pyrimidinetetramine, sulfate, Pyrimidinetetrayltetraamine sulphate, 2,4,5,6-Pyrimidinetetramine, sulfate (1:1), tetra-Aminopyrimidine sulfate, Pyrimidine, tetraamino-, sulfate (1:1), Pyrimidinetetramine sulfate, Pyrimidine-2,4,5,6-tetraamine sulfate, 2,4,5,6-Tetraaminopyrimidine sulfate salt

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + 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 2,4,5,6-Tetraaminopyrimidine Sulfate?

The CAS Registry Number of 2,4,5,6-Tetraaminopyrimidine Sulfate is 5392-28-9. It is also known as tetraaminopyrimidine sulfate, Pyrimidinetetramine, sulfate (1:1), Pyrimidinetetramine, sulfate.

What is the molecular formula and molecular weight of 2,4,5,6-Tetraaminopyrimidine Sulfate?

2,4,5,6-Tetraaminopyrimidine Sulfate has the molecular formula C4H10N6O4S and a molecular weight of 238.23 g/mol.

What is 2,4,5,6-Tetraaminopyrimidine Sulfate used for?

2,4,5,6-Tetraaminopyrimidine Sulfate is supplied as a characterised reference material related to Methotrexate. 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 2,4,5,6-Tetraaminopyrimidine Sulfate can I order?

We supply 2,4,5,6-Tetraaminopyrimidine Sulfate 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 2,4,5,6-Tetraaminopyrimidine Sulfate?

Yes. Every lot of 2,4,5,6-Tetraaminopyrimidine Sulfate 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 2,4,5,6-Tetraaminopyrimidine Sulfate be shipped internationally?

Yes. 2,4,5,6-Tetraaminopyrimidine Sulfate 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.