Phenylbiguanide

Also known as: 1-Phenylbiguanide, N-Phenylbiguanide, N-Phenyliminodicarbonimidic diamide, 1-(Diaminomethylidene)-2-phenylguanidine, 2-(N2-Phenylamidino)guanidine, N-Phenyl-N'-guanylguanidine, Phenyl biguanide, Phenyldiguanide, PBG

Phenylbiguanide (CAS 102-02-3) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C8H11N5 and a molecular weight of 177.20600 g/mol. Key properties include a melting point of 135-142 °C(lit.), a boiling point of 388.4ºC at 760mmHg, a density of 1.33g/cm3 and a flash point of 188.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 102-02-3
Jingsj CID: J-1526219-8
Molecular Formula: C₈H₁₁N₅
Molecular Weight: 177.20600 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	135-142 °C(lit.)
Boiling Point	388.4ºC at 760mmHg
Density	1.33g/cm3
Flash Point	188.7ºC
Exact Mass	177.10100
PSA	100.28000
LogP	1.88000
Vapor Pressure	3.08E-06mmHg at 25°C
Refractive Index	1.656

Activity & Biological Data

Target	5-HT3 Receptor:3 μM (EC50)
Additional Information	[1]. Mair ID, et al. Pharmacological characterization of a rat 5-hydroxytryptamine type3 receptor subunit (r5-HT 3A(b) ) expressed in Xenopus laevis oocytes. Br J Pharmacol. 1998 Aug;124(8):1667-74. [2]. Ataee R, et al. Study of 5HT3 and HT4 receptor expression in HT29 cell line and human colon adenocarcinoma tissues. Arch Iran Med. 2010 Mar;13(2):120-5. [3]. de Vries A, et al. Characterisation of c-Fos expression in the central nervous system of mice following right atrialinjections of the 5-HT3 receptor agonist Phenylbiguanide. Auton Neurosci. 2005 Dec 30;123(1-2):62-75.

Target

5-HT3 Receptor:3 μM (EC50)

Additional Information

[1]. Mair ID, et al. Pharmacological characterization of a rat 5-hydroxytryptamine type3 receptor subunit (r5-HT 3A(b) ) expressed in Xenopus laevis oocytes. Br J Pharmacol. 1998 Aug;124(8):1667-74. [2]. Ataee R, et al. Study of 5HT3 and HT4 receptor expression in HT29 cell line and human colon adenocarcinoma tissues. Arch Iran Med. 2010 Mar;13(2):120-5. [3]. de Vries A, et al. Characterisation of c-Fos expression in the central nervous system of mice following right atrialinjections of the 5-HT3 receptor agonist Phenylbiguanide. Auton Neurosci. 2005 Dec 30;123(1-2):62-75.

Frequently Asked Questions

What is the CAS number of Phenylbiguanide?

The CAS number of Phenylbiguanide is 102-02-3.

What are the molecular formula and molecular weight of Phenylbiguanide?

Phenylbiguanide has molecular formula C8H11N5 and molecular weight 177.20600 g/mol.

What are the upstream and downstream products of Phenylbiguanide?

For Phenylbiguanide, Upstream Products: Aniline hydrochloride, Phenyl isothiocyanate, 1-Phenyl-3-guanylthiourea; Downstream Products: Guanylurea, 1,4-Benzoquinone, 1,3-Diphenylguanidine.

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. "Phenylbiguanide (CAS 102-02-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1526219-8 (accessed 2026-11-09).

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