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Check Digit Verification of cas no

The CAS Registry Mumber 518990-55-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,1,8,9,9 and 0 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 518990-55:
(8*5)+(7*1)+(6*8)+(5*9)+(4*9)+(3*0)+(2*5)+(1*5)=191
191 % 10 = 1
So 518990-55-1 is a valid CAS Registry Number.

518990-55-1SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name	4-Nitro-1H-pyrazole-3-carbonyl chloride

1.2 Other means of identification

Product number	-
Other names	-

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:518990-55-1 SDS

518990-55-1Upstream product

518990-55-1Downstream Products

518990-55-1Relevant articles and documents

Pyrazole spleen tyrosine kinase inhibitor as well as preparation method and application thereof

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Paragraph 0280-0283, (2020/12/29)

The invention discloses a pyrazole spleen tyrosine kinase inhibitor, a preparation method thereof, a pharmaceutical composition containing the same, and application of the pyrazole spleen tyrosine kinase inhibitor and the pharmaceutical composition in the preparation of drugs for treating Syk-mediated diseases including cancers, inflammatory diseases and the like.

ALK KINASE INHIBITOR, AND PREPARATION METHOD AND USE THEREOF

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Paragraph 0378; 0379; 0380, (2017/04/18)

An ALK kinase inhibitor compound as represented by Formula I, pharmaceutical composition containing the compound, and preparation method and use thereof in the preparation of drugs serving as an ALK inhibitor for treating cancer.

NITROGEN CONTAINING HETEROARYL COMPOUNDS

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Page/Page column 167; 168, (2012/01/04)

The invention is concerned with novel nitrogen-containing heteroaryl compounds of formula (I) wherein A1, A2, (a), R1, R2, R3, R4, R5 and R6 are as defined in the desc

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CAS

518990-55-1