Worldwide shipping · 120+ destinationsCOA & GHS SDS with every lotMon–Sat, 09:30–18:30 IST
VAQORACHEMICALS
API ImpuritiesReference StandardAvailable on request

Pyridine-3,5-diyldimethanol

Synonyms: 3,5-Dihydroxymethylpyridine · 3,5-pyridinedimethanol · [5-(hydroxymethyl)pyridin-3-yl]methanol · 3,5-Bis(hydroxymethyl)pyridine

CAS No.21636-51-1
FormulaC7H9NO2
Mol. weight139.15
Catalogue No.VQ-043472
PurityReference Standard
HSN38229090

Pyridine-3,5-diyldimethanol (CAS 21636-51-1) – Rupatadine impurity standard. C7H9NO2, MW 139.15. COA included. Worldwide shipping from Vaqora Chemicals.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
Bulk / custom pack · kg to MT
Enquire
Enquire
Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Pyridine-3,5-diyldimethanol

Pyridine-3,5-diyldimethanol (CAS 21636-51-1) is an impurity of Rupatadine offered by Vaqora Chemicals. With the molecular formula C7H9NO2, it has a molar mass of 139.15 g/mol. Its systematic (IUPAC) name is [5-(hydroxymethyl)-3-pyridinyl]methanol. Common synonyms include 3,5-Dihydroxymethylpyridine and 3,5-pyridinedimethanol.

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. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Pharmaceutical QC and development laboratories use this impurity standard of Rupatadine 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.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Rupatadine

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

Rupatadine impurities

Specifications & identifiers

Chemical identifiers
Product namePyridine-3,5-diyldimethanol
Catalogue No.VQ-043472
CAS Number21636-51-1
IUPAC name[5-(hydroxymethyl)-3-pyridinyl]methanol
Molecular formulaC7H9NO2
Molecular weight139.15 g/mol
Exact mass139.0633
GradeReference Standard
HSN code38229090
InChIKeyHYUQKAGYJAFMBA-UHFFFAOYSA-N
SMILESC1=C(C=NC=C1CO)CO
PubChem CID20184985
Physical properties
Physical formSolid
LogP (XLogP3)-0.9
H-bond donors / acceptors2 / 3
TPSA53.4 Ų
Synonyms3,5-Dihydroxymethylpyridine, 3,5-pyridinedimethanol, [5-(hydroxymethyl)pyridin-3-yl]methanol, 3,5-Bis(hydroxymethyl)pyridine, [5-(hydroxymethyl)-3-pyridyl]methanol, (5-Hydroxymethyl-pyridin-3-yl)-methanol

Documents

Frequently asked questions

What is the CAS number of Pyridine-3,5-diyldimethanol?

The CAS Registry Number of Pyridine-3,5-diyldimethanol is 21636-51-1. It is also known as 3,5-Dihydroxymethylpyridine, 3,5-pyridinedimethanol, [5-(hydroxymethyl)pyridin-3-yl]methanol.

What is the molecular formula and molecular weight of Pyridine-3,5-diyldimethanol?

Pyridine-3,5-diyldimethanol has the molecular formula C7H9NO2 and a molecular weight of 139.15 g/mol. Its IUPAC name is [5-(hydroxymethyl)-3-pyridinyl]methanol.

What is Pyridine-3,5-diyldimethanol used for?

Pyridine-3,5-diyldimethanol is supplied as a characterised reference material related to Rupatadine. 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 Pyridine-3,5-diyldimethanol can I order?

We supply Pyridine-3,5-diyldimethanol 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 Pyridine-3,5-diyldimethanol?

Yes. Every lot of Pyridine-3,5-diyldimethanol 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 Pyridine-3,5-diyldimethanol be shipped internationally?

Yes. We export Pyridine-3,5-diyldimethanol worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.

Enquire about Pyridine-3,5-diyldimethanol

We reply within one business day with price, pack options, lead time and documentation.

By submitting you agree to our privacy policy. We never share your details.

Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
How ordering works

Related products

Reference Standard
Rupatidine chemical structure
Rupatidine
CAS
158876-82-5
Formula
C26H26ClN3
MW
416 g/mol
VQ-033702
Reference Standard
Rupatadine N-Oxide chemical structure
Rupatadine N-Oxide
CAS
1704730-21-1
Formula
C26H26ClN3O
MW
432 g/mol
VQ-027950

More in API Impurities →