Basic information

Product Name: 1-Naphthalenol, 5,8-dichloro-4-methoxy-
Synonyms:
CAS NO:2123-43-5
Molecular Formula: C11H8Cl2O2
Molecular Weight:
EINECS: N/A
Product Categories: N/A
Mol File: 2123-43-5.mol

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: 1-Naphthalenol, 5,8-dichloro-4-methoxy-(CAS DataBase Reference)
NIST Chemistry Reference: 1-Naphthalenol, 5,8-dichloro-4-methoxy-(2123-43-5)
EPA Substance Registry System: 1-Naphthalenol, 5,8-dichloro-4-methoxy-(2123-43-5)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 2123-43-5(Hazardous Substances Data)

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General Description

1-Naphthalenol, 5,8-dichloro-4-methoxy-, also known as DCNP, is a chemical compound with the molecular formula C11H8Cl2O2. It is a white to off-white crystalline solid that is used as a building block in organic synthesis and research. DCNP is a potent inhibitor of the enzyme, peroxidase, which plays a critical role in the production of thyroid hormones. As a result, DCNP has been studied for its potential use as a pharmaceutical agent for treating hyperthyroidism and other related conditions. It is important to handle and use DCNP with caution, as it can be harmful if ingested or inhaled, and it may cause skin and eye irritation upon contact.

Check Digit Verification of cas no

The CAS Registry Mumber 2123-43-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,1,2 and 3 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 2123-43:
(6*2)+(5*1)+(4*2)+(3*3)+(2*4)+(1*3)=45
45 % 10 = 5
So 2123-43-5 is a valid CAS Registry Number.

2123-43-5SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name	5,8-dichloro-4-methoxynaphthalen-1-ol

1.2 Other means of identification

Product number	-
Other names	5,8-Dichlor-4-methoxy-1-naphthol

1.3 Recommended use of the chemical and restrictions on use

Identified uses	For industry use only.
Uses advised against	no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number	-
Service hours	Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:2123-43-5 SDS

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