Nicotinic acid hydrochloride

Also known as: Niacin hydrochloride, Niacin HCl, Pyridine-3-carboxylic acid hydrochloride, 3-Pyridinecarboxylic acid hydrochloride (1:1), 3-carboxypyridinium chloride

Nicotinic acid hydrochloride (CAS 636-79-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H6ClNO2 and a molecular weight of 159.57000 g/mol. Key properties include a melting point of 236.6ºC, a boiling point of 292.5ºC at 760 mmHg and a flash point of 130.7ºC. It is listed by 3 suppliers, 2 of which publish reference prices, from 40.00 to 328.80 CNY. Record last updated Aug 21, 2026.

CAS No.: 636-79-3
Jingsj CID: J-1955344-1
Molecular Formula: C₆H₆ClNO₂
Molecular Weight: 159.57000 g/mol
Category: Organic Acids
Last updated: 8/21/2026

Made to Order

Request MSDS / TDS

Supplier Offers

3Request a quote

Filter:

Supplier	Purity / Pack	Base Price	Unit Price	Origin
Jingkang Made to Order	98% 10mg	¥400.00	$5.99 /mgBest ¥40.00/mg CNY	CN China MOQ 10mg	Visit Website
Maikuo Made to Order	98% 10mg	¥450.00	$6.73 /mg ¥45.00/mg CNY	CN China MOQ 10mg	View Product
Maikuo Made to Order	98% 5mg	¥320.00	$9.58 /mg ¥64.00/mg CNY	CN China MOQ 5mg	View Product
Maikuo Made to Order	98% 25mg	¥8,220.00	$49.2 /mg ¥328.80/mg CNY	CN China MOQ 25mg	View Product
Jingheng Materials Made to Order	97% 25mg	-	-	CN China MOQ 25mg	Visit Website
Jingheng Materials Made to Order	97% 50mg	-	-	CN China MOQ 50mg	Visit Website
Jingheng Materials Made to Order	97% 100mg	-	-	CN China MOQ 100mg	Visit Website

Physicochemical Properties

Melting Point	236.6ºC
Boiling Point	292.5ºC at 760 mmHg
Flash Point	130.7ºC
Exact Mass	159.00900
PSA	50.19000
LogP	1.58180

Activity & Biological Data

Target	Microbial Metabolite
Additional Information	[1]. Areeg M Almubarak, et al. Supplementation with Niacin during in vitro maturation improves the quality of porcine embryos. Theriogenology. 2021 Jul 15;169:36-46. doi: 10.1016/j.theriogenology.2021.04.005. Epub 2021 Apr 18. [2]. Nobuhiro Hirakawa, et al. Anti-invasive activity of niacin and trigonelline against cancer cells. Biosci Biotechnol Biochem. 2005 Mar;69(3):653-8. [3]. Kang Cheng, et al. Antagonism of the prostaglandin D2 receptor 1 suppresses nicotinic acid-induced vasodilation in mice and humans. Proc Natl Acad Sci U S A. 2006 Apr 25;103(17):6682-7.

Target

Microbial Metabolite

Additional Information

[1]. Areeg M Almubarak, et al. Supplementation with Niacin during in vitro maturation improves the quality of porcine embryos. Theriogenology. 2021 Jul 15;169:36-46. doi: 10.1016/j.theriogenology.2021.04.005. Epub 2021 Apr 18. [2]. Nobuhiro Hirakawa, et al. Anti-invasive activity of niacin and trigonelline against cancer cells. Biosci Biotechnol Biochem. 2005 Mar;69(3):653-8. [3]. Kang Cheng, et al. Antagonism of the prostaglandin D2 receptor 1 suppresses nicotinic acid-induced vasodilation in mice and humans. Proc Natl Acad Sci U S A. 2006 Apr 25;103(17):6682-7.

Frequently Asked Questions

What is the CAS number of Nicotinic acid hydrochloride?

The CAS number of Nicotinic acid hydrochloride is 636-79-3.

What are the molecular formula and molecular weight of Nicotinic acid hydrochloride?

Nicotinic acid hydrochloride has molecular formula C6H6ClNO2 and molecular weight 159.57000 g/mol.

Which suppliers offer Nicotinic acid hydrochloride?

3 supplier(s) listed; reference unit price ¥40.00–328.80 /mg.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Nicotinic acid hydrochloride (CAS 636-79-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1955344-1 (accessed 2026-11-06).

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