Pyrindan

Name: Pyrindan
Brand: Zemixal
SKU: ZX-036718

Reference StandardAvailable on request

Order Pyrindan (CAS 533-37-9) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Ships from India to 120+ countries.

Pack sizes

CAS number533-37-9

FormulaC₈H₉N

Molar mass119.16 g/mol

Physical formSolid

HS code38229090

InChIKeyKRNSYSYRLQDHDK-UHFFFAOYSA-N

IUPAC name6,7-dihydro-5H-cyclopenta[b]pyridine

About Pyrindan

Analytical teams working on Cefpirome use Pyrindan as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 533-37-9, formula C8H9N and molar mass 119.16 g/mol. It is handled as a solid.

Common uses in the lab and plant

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

Handling and storage

It carries the GHS signal word Warning (H315, H319 and H335), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Every shipment includes a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Cefpirome

See every impurity, metabolite and related compound we list for this API.

Cefpirome standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Pyrindan
Product name	Pyrindan
Catalogue number	ZX-036718
CAS number	533-37-9
IUPAC name	6,7-dihydro-5H-cyclopenta[b]pyridine
Molecular formula	C₈H₉N
Molar mass	119.16 g/mol
Exact mass	119.0735
Grade	Reference Standard
Physical form	Solid
XLogP3	1.5
H-bond donors / acceptors	0 / 1
Topological polar surface area	12.9 Å²
HS code	38229090
InChIKey	KRNSYSYRLQDHDK-UHFFFAOYSA-N
SMILES	C1CC2=C(C1)N=CC=C2
PubChem CID	68292
Synonyms	2,3-Cyclopentenopyridine, 5H-1-Pyrindine, 6,7-dihydro-, 6,7-Dihydro-5H-cyclopenta(b)pyridine, 5H-cyclopenta[b]pyridine, 6,7-dihydro-, 6,7-dihydro-5H-[1]pyrindine, 6,7Dihydro5Hcyclopenta(b)pyridine, Cyclopenta[b]pyridine, 5H,6H,7H-cyclopenta[b]pyridine, 2,3-Cyclopenteno pyridine, 5H-1-Pyrindene, 6,7-dihydro-, 6,7-Dihydro-5H-cyclopenta[b]pyridine #

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Irritant or harmful

Signal word Warning

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Pyrindan
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Pyrindan

Which CAS number identifies Pyrindan?

Pyrindan is registered under CAS 533-37-9. You may also see it listed as 2,3-Cyclopentenopyridine, 5H-1-Pyrindine, 6,7-dihydro-, 6,7-Dihydro-5H-cyclopenta(b)pyridine. Our catalogue number for this item is ZX-036718.

What are the formula and molar mass of Pyrindan?

For Pyrindan, its formula is C8H9N and its molar mass is 119.16 g/mol. The systematic (IUPAC) name is 6,7-dihydro-5H-cyclopenta[b]pyridine. InChIKey KRNSYSYRLQDHDK-UHFFFAOYSA-N lets you match it in any structure database.

How is Pyrindan used in pharmaceutical QC?

Pyrindan is a characterised reference material linked to Cefpirome. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for Pyrindan?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with Pyrindan?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship Pyrindan to my country?

Yes. Because Pyrindan is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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