Mesna EP Impurity D Disodium

About Mesna EP Impurity D Disodium

Mesna EP Impurity D Disodium is a pharmacopeial impurity of Mesna carrying the CAS registry number 16208-51-8. Its molecular formula is C4H8Na2O6S4 and its molecular weight is 326.4 g/mol. Common synonyms include Mesna - Impurity D (Disodium Salt) and BNP-7787.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

This Mesna impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Mesna EP Impurity D Disodium in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Mesna

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

Mesna impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Mesna EP Impurity D Disodium
Catalogue No.	VQ-049054
CAS Number	16208-51-8
IUPAC name	disodium;2-(2-sulfonatoethyldisulfanyl)ethanesulfonate
Molecular formula	C₄H₈Na₂O₆S₄
Molecular weight	326.4 g/mol
Exact mass	325.8999
Grade	Reference Standard
HSN code	38229090
InChIKey	KQYGMURBTJPBPQ-UHFFFAOYSA-L
SMILES	C(CS(=O)(=O)[O-])SSCCS(=O)(=O)[O-].[Na+].[Na+]
PubChem CID	65625

Physical properties
Physical form	Solid
H-bond donors / acceptors	0 / 8
TPSA	182 Å²
Synonyms	Mesna - Impurity D (Disodium Salt), BNP-7787, Ethanesulfonic acid, 2,2'-dithiobis-, sodium salt (1:2), Disodium 2,2'-dithio-bis-ethane sulfonate, Mesna disulfide, LP 300, LP-300, 2,2'-Dithio-bis-ethanesulfonate, Disodium Salt, 2,2'-Dithiobisethanesulfonic Acid, Disodium Salt, Sodium 2,2'-disulfanediyldiethanesulfonate, Bis(2-sulfoethyl)disulfide disodium salt, Disodium 2,2'-dithiodiethanesulfonate

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 Mesna EP Impurity D Disodium?

The CAS Registry Number of Mesna EP Impurity D Disodium is 16208-51-8. It is also known as Mesna - Impurity D (Disodium Salt), BNP-7787, Ethanesulfonic acid, 2,2'-dithiobis-, sodium salt (1:2).

What is the molecular formula and molecular weight of Mesna EP Impurity D Disodium?

Mesna EP Impurity D Disodium has the molecular formula C4H8Na2O6S4 and a molecular weight of 326.4 g/mol.

What is Mesna EP Impurity D Disodium used for?

Mesna EP Impurity D Disodium is supplied as a characterised reference material related to Mesna. 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 Mesna EP Impurity D Disodium can I order?

We supply Mesna EP Impurity D Disodium 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 Mesna EP Impurity D Disodium?

Yes. Every lot of Mesna EP Impurity D Disodium 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 Mesna EP Impurity D Disodium be shipped internationally?

Yes. Mesna EP Impurity D Disodium 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.