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3-Pyridineacetic acid

Also known as: 3-Pyridylacetic acid, 2-(pyridin-3-yl)acetic acid, pyridin-3-ylacetic acid, 3-Carboxymethylpyridine, 3-Pyridinylacetic acid, Homonicotinic acid, α-(3-Pyridyl)acetic acid, MFCD00066302, EINECS 207-928-7, 2-pyridin-3-ylacetic acid

3-Pyridineacetic acid (CAS 501-81-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H7NO2 and a molecular weight of 137.14 g/mol. Key properties include a melting point of 144-146°C, a boiling point of 301.6±17.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 136.2±20.9 °C. It is listed by 1 supplier, from 48.00 to 48.00 CNY. Record last updated Aug 21, 2026.

CAS No.
501-81-5
Jingsj CID
J-45305-7
Molecular Formula
C7H7NO2
Molecular Weight
137.14 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
Made to Order

Supplier Offers

1Request a quote
Filter:
SupplierPurity / PackBase PriceUnit PriceOrigin
Made to Order
99%
25g
¥1,200.00
$7.18 /gBest
¥48.00/g CNY
CN China
MOQ 25g
Made to Order
99%
100g
¥4,800.00
$7.18 /g
¥48.00/g CNY
CN China
MOQ 100g

Physicochemical Properties

Melting Point144-146°C
Boiling Point301.6±17.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point136.2±20.9 °C
Exact Mass137.047684
PSA50.19000
LogP0.01
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.557
SMILESC1=CC(=CN=C1)CC(=O)O
InChIKeyWGNUNYPERJMVRM-UHFFFAOYSA-N
InChI1S/C7H7NO2/c9-7(10)4-6-2-1-3-8-5-6/h1-3,5H,4H2,(H,9,10)

Activity & Biological Data

TargetHuman Endogenous Metabolite
Additional Information[1]. GINOULHIAC E, et al. 3-Pyridineacetic acid and nicotinic acid: blood levels, urinary elimination and excretion of nicotinic acid derivatives in man. Nature. 1962 Mar 10;193:948-9. [2]. Zwickenpflug W, et al. Metabolism of myosmine in Wistar rats. Drug Metab Dispos. 2005 Nov;33(11):1648-56.

Customs & Trade Information

HS Code2933399090
Summary2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 3-Pyridineacetic acid?

The CAS number of 3-Pyridineacetic acid is 501-81-5.

What are the molecular formula and molecular weight of 3-Pyridineacetic acid?

3-Pyridineacetic acid has molecular formula C7H7NO2 and molecular weight 137.14 g/mol.

Which suppliers offer 3-Pyridineacetic acid?

1 supplier(s) listed; reference unit price ¥48.00–48.00 /g.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "3-Pyridineacetic acid (CAS 501-81-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45305-7 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.