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Identify Suppliers 2025 Properties Safty

Vitamin K3-MNB

BGC Id:	505735695624
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 2 notable providers have been checked and can be recommended.

Zyntex

Wuhan PharmChem LTD.

EINECS: 277-543-7 Molecular formula: C17H16N2O6S

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

The last intensive check and update was carried out on 2025/08/26.

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

Suppliers

Zyntex Ltd

type bedrift: Bulk chemical supplier

As Zyntex, we have been providing reliable solutions at global standards in the pharmaceutical raw materials and specialty chemicals sector since our establishment. The mission of contributing to human health and supporting technological progress is at the center of our activities. Our wide range of products ranges from pharmaceutical active ingredients to food supplements, from feed additives to innovative chemical products. Our Quality and Trust-Oriented Approach Zyntex ...

land: Türkiye

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Wuhan PharmChem Co., LTD.

type bedrift: Import & export company

land: P.R.China
telefon: +86 27 85835203
Fax: +86 27 85835203

Wuhan PharmChem CO., LTD. has been a premier chemical supplier distributing high-quality chemicals to businesses in various industries for the whole world. At Wuhan PharmChem, we are committed to excellence.From manufacturing to packaging and delivery, we provide quality, reliability and the highest degree of customer service.Our scope of service is organized/structured around the unique needs of each client.Our mission is establish long-term relationships with our clients b ...

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Safety Information

Hazard Symbols: UN NO.

Europe standard Hazard pictograms, code and definition

Hazard Classes:

The following providers cannot be verified precisely. The companies have offered the product in the past, but despite all care, the companies could not confirm it 100 percent!

KHBoddin GmbH

- Serving customers - KHBoddin GmbH is the customer's choice as a supplier for chemical raw materials, intermediates and specialities because of its... Request

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

In addition to the providers presented here for Vitamin K3-MNB with the CAS number 73581-79-0, there are other 18 providers with slightly different product names available for this CAS number.

K3-MNB

+1 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

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

Leap Chem Co., Ltd +3 additional providers that we know from the past