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102521-17-5

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102521-17-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 102521-17-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,5,2 and 1 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 102521-17:
(8*1)+(7*0)+(6*2)+(5*5)+(4*2)+(3*1)+(2*1)+(1*7)=65
65 % 10 = 5
So 102521-17-5 is a valid CAS Registry Number.

102521-17-5SDS

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 (1R,4'R,5'R,15R)-4',5'-bis((benzyloxy)methyl)spiro[bicyclo[13.1.0]hexadecane-2,2'-[1,3]dioxolane]

1.2 Other means of identification

Product number -
Other names (1R,15R)-bicyclo<13.1.0>hexadecan-2-one cyclic (1S,2S)-1,2-bis<(benzyloxy)methyl>ethylene acetal

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:102521-17-5 SDS

102521-17-5Relevant articles and documents

Homochiral Ketals in Organic Synthesis. Diastereoselective Cyclopropanation of Medium and Large Ring α,β-Unsaturated Ketals Derived from 1,4-Di-O-benzyl-L-threitol

Mash, Eugene A.,Math, Shivanand K.,Arterburn, Jeffrey B.

, p. 4951 - 4953 (2007/10/02)

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Homochiral Ketals in Organic Synthesis. Enantioselective Synthesis of (R)-Muscone

Nelson, Keith A.,Mash, Eugene A.

, p. 2721 - 2724 (2007/10/02)

An efficient, enantioselective preparation of (R)-muscone employing a diastereoselective Simmons-Smith cyclopropanation is described.Cyclopropanation is directed via chelation control by a homochiral ketal protecting group derived from unnatural tartaric acid.The overall yield of (R)-muscone (>95percent R) from commercially available cyclopentadecanone is 60percent over seven steps.

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