3-Methylcinnoline-6,7 diol

Name: 3-Methylcinnoline-6,7 diol
Brand: Vaqora Chemicals
SKU: VQ-022003

About 3-Methylcinnoline-6,7 diol

3-Methylcinnoline-6,7 diol is an impurity of Carbidopa carrying the CAS registry number 1176784-51-2. With the molecular formula C9H8N2O2, it has a molar mass of 176.17 g/mol. Common synonyms include 6,7-Dihydroxy-3-Methylcinnoline and 3-Methyl-6,7-cinnolinediol.

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. Good laboratory practice and suitable PPE are recommended during handling.

This Carbidopa impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 3-Methylcinnoline-6,7 diol is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Carbidopa

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

Carbidopa impurities

Specifications & identifiers

Chemical identifiers
Product name	3-Methylcinnoline-6,7 diol
Catalogue No.	VQ-022003
CAS Number	1176784-51-2
IUPAC name	3-methylcinnoline-6,7-diol
Molecular formula	C₉H₈N₂O₂
Molecular weight	176.17 g/mol
Exact mass	176.0586
Grade	Reference Standard
HSN code	38229090
InChIKey	ITGJFKRFEQQFAX-UHFFFAOYSA-N
SMILES	CC1=CC2=CC(=C(C=C2N=N1)O)O
PubChem CID	136117840

Physical properties
Physical form	Solid
LogP (XLogP3)	0.9
H-bond donors / acceptors	2 / 4
TPSA	66.2 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 3-Methylcinnoline-6,7 diol?

The CAS Registry Number of 3-Methylcinnoline-6,7 diol is 1176784-51-2. It is also known as 6,7-Dihydroxy-3-Methylcinnoline, 3-Methyl-6,7-cinnolinediol.

What is the molecular formula and molecular weight of 3-Methylcinnoline-6,7 diol?

3-Methylcinnoline-6,7 diol has the molecular formula C9H8N2O2 and a molecular weight of 176.17 g/mol. Its IUPAC name is 3-methylcinnoline-6,7-diol.

What is 3-Methylcinnoline-6,7 diol used for?

3-Methylcinnoline-6,7 diol is supplied as a characterised reference material related to Carbidopa. 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 3-Methylcinnoline-6,7 diol can I order?

We supply 3-Methylcinnoline-6,7 diol 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 3-Methylcinnoline-6,7 diol?

Yes. Every lot of 3-Methylcinnoline-6,7 diol 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 3-Methylcinnoline-6,7 diol be shipped internationally?

Yes. We export 3-Methylcinnoline-6,7 diol worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.