Allantoic acid

Also known as: ALLANTOIC ACID, 2,2-Diureidoacetic acid, 2,2-Bis(carbamoylamino)acetic acid, 2,2-Bis[(aminocarbonyl)amino]acetic acid, 2,2-diureidoacetic acid, allantoic, allantoicacidfreeacid, bis[(aminocarbonyl)amino]-acetic acid, diureido-acetic acid, Allantoinsaeure, Allantursaeure, Diureido-essigsaeure

Allantoic acid (CAS 99-16-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H8N4O4 and a molecular weight of 176.13100 g/mol. Key properties include a melting point of 168 °C(Experimental), a boiling point of 439.2ºC at 760 mmHg, a density of 1.618 g/cm3 and a flash point of 219.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 99-16-1
Jingsj CID: J-2365-4
Molecular Formula: C₄H₈N₄O₄
Molecular Weight: 176.13100 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	168 °C(Experimental)
Boiling Point	439.2ºC at 760 mmHg
Density	1.618 g/cm3
Flash Point	219.4ºC
Exact Mass	176.05500
PSA	147.54000
Refractive Index	1.584
Storage Conditions	2-8°C

Activity & Biological Data

Additional Information	[1]. Taherkhani A, et, al. Metabolomic Analysis of Membranous Glomerulonephritis: Identification of a Diagnostic Panel and Pathogenic Pathways. Arch Med Res. 2019 May; 50(4):159-169. [2]. Okumura I, et, al. Stereospecificity of conversion of uric acid into allantoic acid by enzymes of Canadida utilis. J Biochem. 1976 May;79(5):1013-9. [3]. Cai HL, et, al. Therapeutic efficacy of atypical antipsychotic drugs by targeting multiple stress-related metabolic pathways. Transl Psychiatry. 2017 May 16; 7(5):e1130.

Additional Information

[1]. Taherkhani A, et, al. Metabolomic Analysis of Membranous Glomerulonephritis: Identification of a Diagnostic Panel and Pathogenic Pathways. Arch Med Res. 2019 May; 50(4):159-169. [2]. Okumura I, et, al. Stereospecificity of conversion of uric acid into allantoic acid by enzymes of Canadida utilis. J Biochem. 1976 May;79(5):1013-9. [3]. Cai HL, et, al. Therapeutic efficacy of atypical antipsychotic drugs by targeting multiple stress-related metabolic pathways. Transl Psychiatry. 2017 May 16; 7(5):e1130.

Customs & Trade Information

HS Code	2924199090
Summary	2924199090. other acyclic amides (including acyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Allantoic acid?

The CAS number of Allantoic acid is 99-16-1.

What are the molecular formula and molecular weight of Allantoic acid?

Allantoic acid has molecular formula C4H8N4O4 and molecular weight 176.13100 g/mol.

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. "Allantoic acid (CAS 99-16-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-2365-4 (accessed 2026-11-09).

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