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14660-20-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 14660-20-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,4,6,6 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 14660-20:
(7*1)+(6*4)+(5*6)+(4*6)+(3*0)+(2*2)+(1*0)=89
89 % 10 = 9
So 14660-20-9 is a valid CAS Registry Number.

14660-20-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name	4-sulfanylidenepentan-2-one

1.2 Other means of identification

Product number	-
Other names	2-Pentanone,4-thioxo

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:14660-20-9 SDS

14660-20-9Upstream product

14660-20-9Downstream Products

14660-20-9Relevant articles and documents

Synthesis of 5-Membered Sulfur Heterocycles via Tin-Catalyzed Annulation of Mercapto Ketones with Activated Alkenes

Suzuki, Itaru,Sakamoto, Yuki,Seo, Yuta,Ninomaru, Yoriko,Tokuda, Kodai,Shibata, Ikuya

, p. 2759 - 2769 (2020)

Efficient conversion of α-mercapto ketones 1 with activated alkenes 2 into S-heterocycles was developed with Sn(Oct)2-2MeOH acting as a catalyst. Two types of products, dihydrothiophene 3 and thiolane 4, were obtained. The selectivity of the products was dependent on the reaction temperature and on the rearrangement of the S-heterocycles from 3 to 4 under heating conditions. The dihydrothiophenes 3 were transformed into useful thiolactones 6-8 and thiophene 9.

Synthesis of β-Thioxoketones by t-Butyllithium-Promoted Claisen Condensation Reaction of Ketones with Thionoesters

Duus, Fritz

, p. 672 - 674 (2007/10/02)

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CAS

14660-20-9