1,2,3,4-Tetrahydro-2-methyl-1,4-dioxonaphthalene-2-sulfonic acid, compound with nicotin-3-amide (1:1)

BGC Id:	356102658655
CAS No:	73581-79-0
Synonyms:	2-Methoxysulfonyltetralin-1,4-dione ; pyridine-3-carboxamide ; 1,2,3,4-Tetrahydro-2-methyl-1,4-dioxonaphthalene-2-sulphonic acid,compound with nicotin-3-amide (1:1) ; Vitamin K3 MNB(Menadione nicotinamide bisulfite) ; 2-Methyl-1,4-dioxo-1,2,3,4-tetrahydronaphthalene-2-sulfonic acidÂ·3-pyridinecarboxamide ;
Molecular Formula:	C17 H16 N2 O6 S
Molecular Weight:	376.39
EINECS:	277-543-7

Verified providers in 2025

The following notable provider has been checked and can be recommended.

Leap Chem Co., Ltd

Company type: Bulk and laboratory supplier

Phone: +852-30606658
Country: P.R.China

LEAPChem, a specialized fine chemicals supplier for research, development and production. We sell Rafoxanide as well. LEAPChem provides nearly 50,000 rare and innovative chemical products to support the evolving needs of our customers in research & bulk manufacturing activities. As a highly customer-oriented enterprise, we are committed to providing high-quality customer se ...

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What other providers are available for CAS 73581-79-0?

The last intensive check and update was carried out on 2025/09/28.

Identify

Synonyms:

2-Methoxysulfonyltetralin-1,4-dione ; pyridine-3-carboxamide ; 1,2,3,4-Tetrahydro-2-methyl-1,4-dioxonaphthalene-2-sulphonic acid,compound with nicotin-3-amide (1:1) ; Vitamin K3 MNB(Menadione nicotinamide bisulfite) ; 2-Methyl-1,4-dioxo-1,2,3,4-tetrahydronaphthalene-2-sulfonic acidÂ·3-pyridinecarboxamide ;

CAS:

73581-79-0

EINECS:

277-543-7

Molecular Formula:

C17 H16 N2 O6 S

MDL:

Properties

Molecular Weight:

376.39 g·mol−1

Melting point:

182 °C

Boiling point:

507.3 °C at 760 mmHg

Flash point:

260.6 °C

Physical Description:

pale yellow powder

Safety Information

Hazard Symbols: UN NO.

Europe standard Hazard pictograms, code and definition

Hazard Classes:

What other providers are available for CAS 73581-79-0?

In addition to the providers presented here for 1,2,3,4-Tetrahydro-2-methyl-1,4-dioxonaphthalene-2-sulfonic acid, compound with nicotin-3-amide (1:1) with the CAS number 73581-79-0, there are other 20 providers with slightly different product names available for this CAS number.

K3-MNB

+1 additional providers that we know from the past

Vitamin K3-MNB

Zyntex Ltd | Wuhan PharmChem Co., LTD. +4 additional providers that we know from the past

Menadione nicotinamide bisulfite

Simagchem Corporation | Sancai Industry Co.,Ltd. | Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd) | Dayang Chem (Hangzhou) Co.,Ltd. | Xiamen Equation Chemical Co.,Ltd +7 additional providers that we know from the past