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Check Digit Verification of cas no

The CAS Registry Mumber 67843-63-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,8,4 and 3 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 67843-63:
(7*6)+(6*7)+(5*8)+(4*4)+(3*3)+(2*6)+(1*3)=164
164 % 10 = 4
So 67843-63-4 is a valid CAS Registry Number.

67843-63-4SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name	67792-55-6

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:67843-63-4 SDS

67843-63-4Upstream product

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67843-63-4Relevant academic research and scientific papers

CYCLOBUTENDION UND METHYLENCYCLOBUTENON. SYNTHESE, DIENOPHILE REAKTIVITAET UND EXO, ENDO-SELECTIVITAET

Martin, Hans-Dieter,Oftring, Alfred,Iden, Ruediger,Schwichtenberg, Evelyn,Schiwek, Hans-Joachim

, p. 841 - 844 (1982)

A new synthesis of cyclobutenedione and methylenecyclobutenone and their reactions with 1,3-dienes are described.

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