Parishin B

Name: Parishin B
Brand: Vaqora Chemicals
SKU: VQ-050104

About Parishin B

Parishin B (CAS 174972-79-3) is a process intermediate or related compound of Dolutegravir offered by Vaqora Chemicals. Its molecular formula is C32H40O19 and its molecular weight is 728.6 g/mol. It is also known as Dehydroizoleucomizinate or disubstituted parishin.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

It is a process intermediate or related compound in the synthesis of Dolutegravir, useful for route development, impurity fate-and-purge studies and analytical method development. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Parishin B in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Dolutegravir

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

Dolutegravir impurities

Specifications & identifiers

Chemical identifiers
Product name	Parishin B
Catalogue No.	VQ-050104
CAS Number	174972-79-3
IUPAC name	3-hydroxy-5-oxo-5-[[4-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyphenyl]methoxy]-3-[[4-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyphenyl]methoxycarbonyl]pentanoic acid
Molecular formula	C₃₂H₄₀O₁₉
Molecular weight	728.6 g/mol
Exact mass	728.2164
InChIKey	UNLDMOJTKKEMOG-IWOWLDPGSA-N
SMILES	C1=CC(=CC=C1COC(=O)CC(CC(=O)O)(C(=O)OCC2=CC=C(C=C2)O[C@H]3[C@@H]([C@H]([C@@H]([C@H](O3)CO)O)O)O)O)O[C@H]4[C@@H]([C@H]([C@@H]([C@H](O4)CO)O)O)O
PubChem CID	44715528

Physical properties
Physical form	Solid
LogP (XLogP3)	-2.7
H-bond donors / acceptors	10 / 19
TPSA	309 Å²

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, 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 Parishin B?

The CAS Registry Number of Parishin B is 174972-79-3. It is also known as Dehydroizoleucomizinate, disubstituted parishin.

What is the molecular formula and molecular weight of Parishin B?

Parishin B has the molecular formula C32H40O19 and a molecular weight of 728.6 g/mol.

What is Parishin B used for?

Parishin B is supplied as a characterised reference material related to Dolutegravir. 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 Parishin B can I order?

We supply Parishin B, 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 Parishin B?

Yes. Every lot of Parishin B 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 Parishin B be shipped internationally?

Yes. Parishin B 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.