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28781-92-2

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28781-92-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28781-92-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,7,8 and 1 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 28781-92:
(7*2)+(6*8)+(5*7)+(4*8)+(3*1)+(2*9)+(1*2)=152
152 % 10 = 2
So 28781-92-2 is a valid CAS Registry Number.

28781-92-2SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name tetramethyl propane-1,1,3,3-tetracarboxylate

1.2 Other means of identification

Product number -
Other names Propan-1,1,3,3-tetracarbonsaeure-tetramethylester

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:28781-92-2 SDS

28781-92-2Relevant articles and documents

Efficient multicomponent reaction for the synthesis of piperidine derivatives: Yb(OTf)3/AgOTf cocatalyzed preparation of trimethyl 3,5,5-piperidonetricarboxylate

Lian, Gao-Yan,Lin, Feng,Yu, Jin-Di,Zhang, Dan-Wei

experimental part, p. 4321 - 4327 (2009/04/05)

A novel and convenient one-pot synthesis of trimethyl 3,5,5- piperidonetricarboxylate was reported. Cocatalyzed by Yb(OTf)3 and AgOTf under mild conditions, a piperidone containing a β-amino acid template was synthesized from dimethyl malonate and formaldehyde O-benzyl oxime in high yield. It could be a useful building block for the synthesis of multisubstituted piperidine derivatives. Copyright Taylor & Francis Group, LLC.

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