Indapamide EP Impurity A

Name: Indapamide EP Impurity A
Brand: Vaqora Chemicals
SKU: VQ-021239

About Indapamide EP Impurity A

Vaqora Chemicals supplies Indapamide EP Impurity A, a nitrosamine impurity of Indapamide registered under CAS number 85440-79-5. The compound has the formula C9H10N2O, corresponding to a molecular weight of 162.19 g/mol. Its systematic (IUPAC) name is 2-methyl-1-nitroso-2,3-dihydroindole. Common synonyms include N-Nitroso 2-Methyl Indoline and Indapamide - Impurity A.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Danger” with 4 hazard statements. Review the Safety Data Sheet before use.

It is used as a reference standard for trace-level detection and quantitation of nitrosamine impurities by LC-MS/MS or GC-MS, supporting nitrosamine risk assessments for Indapamide, method validation (AMV) and regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

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

Typical applications

Nitrosamine risk assessment
Trace LC-MS/MS quantitation
Method validation (AMV)
Regulatory submissions

Industries

Related to Indapamide

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

Indapamide impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Indapamide EP Impurity A
Catalogue No.	VQ-021239
CAS Number	85440-79-5
IUPAC name	2-methyl-1-nitroso-2,3-dihydroindole
Molecular formula	C₉H₁₀N₂O
Molecular weight	162.19 g/mol
Exact mass	162.0793
Grade	Reference Standard
HSN code	38229090
InChIKey	KBCZSFIDYXEMTH-UHFFFAOYSA-N
SMILES	CC1CC2=CC=CC=C2N1N=O
PubChem CID	12598926

Physical properties
Physical form	Solid
LogP (XLogP3)	2.2
H-bond donors / acceptors	0 / 3
TPSA	32.7 Å²
Synonyms	N-Nitroso 2-Methyl Indoline, Indapamide - Impurity A, 2-Methyl-1-nitroso-2,3-dihydro-1H-indole, (+-)-2-methyl-1-nitrosoindoline, 2,3-Dihydro-2-methyl-1-nitroso-1H-indole, Methylnitrosoindoline, rac 1-Nitroso-2-methylindoline, (2rs)-2-methyl-1-nitroso-2,3-dihydro-1h-indole, 1H-Indole, 2,3-dihydro-2-methyl-1-nitroso-, 1-nitroso-2-methylindoline, (1)-2-Methyl-1-nitrosoindoline, (+/-)-2-Methyl-1-nitrosoindoline

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled

Precautionary statements: P261, P264, P270, P271, P280, P301 + P316, P301 + P317, P302 + P352, P304 + P340, P317, P321, P330, P362 + P364, 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 Indapamide EP Impurity A?

The CAS Registry Number of Indapamide EP Impurity A is 85440-79-5. It is also known as N-Nitroso 2-Methyl Indoline, Indapamide - Impurity A, 2-Methyl-1-nitroso-2,3-dihydro-1H-indole.

What is the molecular formula and molecular weight of Indapamide EP Impurity A?

Indapamide EP Impurity A has the molecular formula C9H10N2O and a molecular weight of 162.19 g/mol. Its IUPAC name is 2-methyl-1-nitroso-2,3-dihydroindole.

What is Indapamide EP Impurity A used for?

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

We supply Indapamide EP Impurity A 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 Indapamide EP Impurity A?

Yes. Every lot of Indapamide EP Impurity A 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 Indapamide EP Impurity A be shipped internationally?

Yes. Indapamide EP Impurity A 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.