1,4-Diphenylsemicarbazide

Also known as: Hydrazinecarboxamide, N,2-diphenyl-, N,N'-Diphenyl semicarbazide, NSC 6790, Semicarbazide, 1,4-diphenyl-, AI3-00497, MFCD00020635, 1-(anilino)-3-phenylurea, N,2-diphenylhydrazinecarboxamide

1,4-Diphenylsemicarbazide (CAS 621-12-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C13H13N3O and a molecular weight of 227.26200 g/mol. Key properties include a melting point of 181ºC and a density of 1.271g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 621-12-5
Jingsj CID: J-11655-2
Molecular Formula: C₁₃H₁₃N₃O
Molecular Weight: 227.26200 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	181ºC
Density	1.271g/cm3
Exact Mass	227.10600
PSA	53.16000
LogP	3.37210
Refractive Index	1.694

Customs & Trade Information

HS Code	2928000090
Summary	2928000090 other organic derivatives of hydrazine or of hydroxylamine VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 1,4-Diphenylsemicarbazide?

The CAS number of 1,4-Diphenylsemicarbazide is 621-12-5.

What are the molecular formula and molecular weight of 1,4-Diphenylsemicarbazide?

1,4-Diphenylsemicarbazide has molecular formula C13H13N3O and molecular weight 227.26200 g/mol.

What are the upstream and downstream products of 1,4-Diphenylsemicarbazide?

For 1,4-Diphenylsemicarbazide, Upstream Products: Phenylhydrazine; Downstream Products: Methylhydroquinone, 1-formyl-2-phenylhydrazine, 2,6-Dichlorohydroquinone.

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. "1,4-Diphenylsemicarbazide (CAS 621-12-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11655-2 (accessed 2026-11-09).

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