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18969-93-2

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18969-93-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18969-93-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,9,6 and 9 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 18969-93:
(7*1)+(6*8)+(5*9)+(4*6)+(3*9)+(2*9)+(1*3)=172
172 % 10 = 2
So 18969-93-2 is a valid CAS Registry Number.

18969-93-2SDS

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 1H-Cyclopenta(gh)perimidine, 6,7-dihydro-1-methyl-

1.2 Other means of identification

Product number -
Other names 6,7-Dihydro-1-methylacenaphtho<5,6-de>pyrimidin

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:18969-93-2 SDS

18969-93-2Downstream Products

18969-93-2Relevant articles and documents

PERI-NAPHTHYLENE DIAMINES III. CONVENIENT METHOD FOR THE ALKYLATION OF 1,8-NAPHTHYLENEDIAMINES AND PERIMIDINES

Kurasov, L. A.,Posharskii, A. F.,Kuz'menko, V. V.

, p. 1735 - 1738 (2007/10/02)

In dimethyl sulfoxide or hexamethylphosphorotriamide in the presence of potassium hydroxide 1,8-naphthylenediamine is readily alkylated by an excess of methyl and ethyl iodide to the corresponding 1,8-bis(dialkylamino)naphthalene.Perimidone, which has low basicity, is methylated to 1,3-dimethylperimidone under these conditions.The potassium hydroxide-dimethyl sulfoxide system also secures higher yields of the N-substituted products during the alkylation of perimidine, 2-methylperimidine, and aceperimidine by alkyl halides compared with the potassium hydroxide-alcoholsystem.The yield and structure of the products from benzylation of the perimidines depend on the presence of substituents at position 2 of the heterocyclic system of perimidine.

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