6-Amino-3-methyluracil

Name: 6-Amino-3-methyluracil
Brand: Vaqora Chemicals
SKU: VQ-042476

About 6-Amino-3-methyluracil

6-Amino-3-methyluracil (CAS 21236-97-5) is a process intermediate or related compound of Theophylline offered by Vaqora Chemicals. Formula C5H7N3O2, molecular weight 141.13 g/mol. Systematically, it is named 6-amino-3-methyl-1H-pyrimidine-2,4-dione. Alternative names: 6-amino-3-methylpyrimidine-2,4(1H,3H)-dione and 6-amino-3-methylpyrimidine-2,4 (1H,3H)-dione.

The product is provided 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.

It is a process intermediate or related compound in the synthesis of Theophylline, useful for route development, impurity fate-and-purge studies and analytical method development. 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

API route development
Impurity fate & purge studies
Analytical method development
Fine chemical synthesis

Industries

Related to Theophylline

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

Theophylline impurities

Specifications & identifiers

Chemical identifiers
Product name	6-Amino-3-methyluracil
Catalogue No.	VQ-042476
CAS Number	21236-97-5
IUPAC name	6-amino-3-methyl-1H-pyrimidine-2,4-dione
Molecular formula	C₅H₇N₃O₂
Molecular weight	141.13 g/mol
Exact mass	141.0538
HSN code	2933
InChIKey	JGAVPFNFAUWIJY-UHFFFAOYSA-N
SMILES	CN1C(=O)C=C(NC1=O)N
PubChem CID	816907

Physical properties
Physical form	Solid
LogP (XLogP3)	-1.3
H-bond donors / acceptors	2 / 3
TPSA	75.4 Å²
Synonyms	6-amino-3-methyl-1,2,3,4-tetrahydropyrimidine-2,4-dione, 6-amino-3-methylpyrimidine-2,4(1H,3H)-dione, 6-amino-3-methylpyrimidine-2,4 (1H,3H)-dione, 3-Methyl-6-aminouracil, 6-amino-3-met, 3-methyl-6-amino-uracil, 6-amino-3-methyl-1,3-dihydropyrimidine-2,4-dione

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, 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 6-Amino-3-methyluracil?

The CAS Registry Number of 6-Amino-3-methyluracil is 21236-97-5. It is also known as 6-amino-3-methyl-1,2,3,4-tetrahydropyrimidine-2,4-dione, 6-amino-3-methylpyrimidine-2,4(1H,3H)-dione, 6-amino-3-methylpyrimidine-2,4 (1H,3H)-dione.

What is the molecular formula and molecular weight of 6-Amino-3-methyluracil?

6-Amino-3-methyluracil has the molecular formula C5H7N3O2 and a molecular weight of 141.13 g/mol. Its IUPAC name is 6-amino-3-methyl-1H-pyrimidine-2,4-dione.

What is 6-Amino-3-methyluracil used for?

6-Amino-3-methyluracil is supplied as a characterised reference material related to Theophylline. 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 6-Amino-3-methyluracil can I order?

We supply 6-Amino-3-methyluracil, 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 6-Amino-3-methyluracil?

Yes. Every lot of 6-Amino-3-methyluracil 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 6-Amino-3-methyluracil be shipped internationally?

Yes. 6-Amino-3-methyluracil 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.