S-Adenosyl-L-Methionine D3

About S-Adenosyl-L-Methionine D3

S-Adenosyl-L-Methionine D3 is a stable isotope labelled analogue related to Methionine carrying the CAS registry number 68684-40-2. Its molecular formula is C15H22N6O5S and its molecular weight is 401.5 g/mol. Alternative names: S-Adenosyl-L-methionine-S-CD3 and EX-A6828.

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.

This isotope-labelled compound is used as an internal standard for LC-MS and LC-MS/MS quantitation of Methionine and related analytes in bioanalytical, pharmacokinetic and impurity studies. 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

LC-MS/MS internal standard
Bioanalytical quantitation
Pharmacokinetic studies

Industries

Related to Methionine

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

Methionine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	S-Adenosyl-L-Methionine D3
Catalogue No.	VQ-038354
CAS Number	68684-40-2
IUPAC name	(2S)-2-amino-4-[[(2S,3S,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl]methyl-(trideuteriomethyl)sulfonio]butanoate
Molecular formula	C₁₅H₂₂N₆O₅S
Molecular weight	401.5 g/mol
Exact mass	401.1561
Grade	Reference Standard
HSN code	38229090
InChIKey	MEFKEPWMEQBLKI-JSJAHMFWSA-N
SMILES	[2H]C([2H])([2H])[S+](CC[C@@H](C(=O)[O-])N)C[C@@H]1[C@H]([C@H]([C@@H](O1)N2C=NC3=C(N=CN=C32)N)O)O
PubChem CID	162641963

Physical properties
Physical form	Solid
LogP (XLogP3)	-2.8
H-bond donors / acceptors	4 / 10
TPSA	186 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 S-Adenosyl-L-Methionine D3?

The CAS Registry Number of S-Adenosyl-L-Methionine D3 is 68684-40-2. It is also known as S-Adenosyl-L-methionine D3 (Mixture of Diastereomers), S-Adenosyl-L-methionine-S-CD3, EX-A6828.

What is the molecular formula and molecular weight of S-Adenosyl-L-Methionine D3?

S-Adenosyl-L-Methionine D3 has the molecular formula C15H22N6O5S and a molecular weight of 401.5 g/mol. Its IUPAC name is (2S)-2-amino-4-[[(2S,3S,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl]methyl-(trideuteriomethyl)sulfonio]butanoate.

What is S-Adenosyl-L-Methionine D3 used for?

S-Adenosyl-L-Methionine D3 is supplied as a characterised reference material related to Methionine. 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 S-Adenosyl-L-Methionine D3 can I order?

We supply S-Adenosyl-L-Methionine D3 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 S-Adenosyl-L-Methionine D3?

Yes. Every lot of S-Adenosyl-L-Methionine D3 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 S-Adenosyl-L-Methionine D3 be shipped internationally?

Yes. We export S-Adenosyl-L-Methionine D3 worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.