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253266-72-7

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253266-72-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 253266-72-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,3,2,6 and 6 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 253266-72:
(8*2)+(7*5)+(6*3)+(5*2)+(4*6)+(3*6)+(2*7)+(1*2)=137
137 % 10 = 7
So 253266-72-7 is a valid CAS Registry Number.

253266-72-7SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name 5-(2,2-difluorovinyl)benzo[d][1,3]dioxole

1.2 Other means of identification

Product number -
Other names (2,2-difluorovinyl)benzo[1,3]dioxole

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:253266-72-7 SDS

253266-72-7Downstream Products

253266-72-7Relevant articles and documents

Metal-Free Access to (E/Z)-α-Fluorovinyl Phosphorus Compounds from gem-Difluorostyrenes

Peng, Yingyuan,Zhang, Xiaofei,Qi, Xueyu,He, Qian,Zhang, Bin,Hao, Jian,Yang, Chunhao

, p. 1170 - 1177 (2019/01/16)

A facile and efficient method for the synthesis of (E/Z)-α-fluorovinyl phosphorus compounds from gem-difluorostyrenes with diphenylphosphine oxide/dialkyl phosphate and DBU at room temperature was developed. A series of 1-fluorovinyl phosphine oxides/phosphonates were obtained with moderate to excellent yields in these reactions. Additionally, most isomers (E/Z type) of the target compounds could be easily separated and purified by column chromatography.

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