Risedronate EP Impurity C

Name: Risedronate EP Impurity C
Brand: Vaqora Chemicals
SKU: VQ-023643

About Risedronate EP Impurity C

Risedronate EP Impurity C is a pharmacopeial impurity of Risedronate carrying the CAS registry number 105462-25-7. Its molecular formula is C7H11NO7P2 and its molecular weight is 283.11 g/mol. Its systematic (IUPAC) name is (1-hydroxy-1-phosphono-2-pyridin-4-ylethyl)phosphonic acid. Common synonyms include Risedronate Sodium EP Impurity C and Risedronate Sodium - Impurity C.

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 1 hazard statement. Review the Safety Data Sheet before use.

Pharmaceutical QC and development laboratories use this impurity standard of Risedronate to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Risedronate EP Impurity C is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Risedronate

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

Risedronate impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Risedronate EP Impurity C
Catalogue No.	VQ-023643
CAS Number	105462-25-7
IUPAC name	(1-hydroxy-1-phosphono-2-pyridin-4-ylethyl)phosphonic acid
Molecular formula	C₇H₁₁NO₇P₂
Molecular weight	283.11 g/mol
Exact mass	283.0011
Grade	Reference Standard
HSN code	38229090
InChIKey	ZWHKKFUMEGWCKH-UHFFFAOYSA-N
SMILES	C1=CN=CC=C1CC(O)(P(=O)(O)O)P(=O)(O)O
PubChem CID	406400

Physical properties
Physical form	Solid
LogP (XLogP3)	-3.1
H-bond donors / acceptors	5 / 8
TPSA	148 Å²
Synonyms	P,P'-[1-Hydroxy-2-(4-pyridinyl)ethylidene]bis-phosphonic Acid, Risedronate Sodium EP Impurity C, Risedronate Sodium - Impurity C, Risedronate Impurity C, (1-Hydroxy-2-(pyridin-4-yl)ethylidene)bis(phosphonic acid), Risedronate 4-pyridinyl isomer, Phosphonic acid, P,P'-(1-hydroxy-2-(4-pyridinyl)ethylidene)bis-, Risedronate sodium 2.5-hydrate impurity C, [1-hydroxy-1-phosphono-2-(4-pyridyl)ethyl]phosphonic acid, 4-(2-Hydroxy-2,2-bis-phosphono-ethyl)-pyridinium, [1-hydroxy-1-phosphono-2-(pyridin-4-yl)ethyl]phosphonic acid, 2-(4-pyridyl)-1-hydroxy-ethane-1,1-bisphosphonate

Safety & hazard information (GHS)

Health hazard

Signal word: Warning

Hazard statements

H361Suspected of damaging fertility or the unborn child

Precautionary statements: P203, P280, P318, 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 Risedronate EP Impurity C?

The CAS Registry Number of Risedronate EP Impurity C is 105462-25-7. It is also known as P,P'-[1-Hydroxy-2-(4-pyridinyl)ethylidene]bis-phosphonic Acid, Risedronate Sodium EP Impurity C, Risedronate Sodium - Impurity C.

What is the molecular formula and molecular weight of Risedronate EP Impurity C?

Risedronate EP Impurity C has the molecular formula C7H11NO7P2 and a molecular weight of 283.11 g/mol. Its IUPAC name is (1-hydroxy-1-phosphono-2-pyridin-4-ylethyl)phosphonic acid.

What is Risedronate EP Impurity C used for?

Risedronate EP Impurity C is supplied as a characterised reference material related to Risedronate. 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 Risedronate EP Impurity C can I order?

We supply Risedronate EP Impurity C 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 Risedronate EP Impurity C?

Yes. Every lot of Risedronate EP Impurity C 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 Risedronate EP Impurity C be shipped internationally?

Yes. Risedronate EP Impurity C 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.