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87903-09-1

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87903-09-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87903-09-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,9,0 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 87903-09:
(7*8)+(6*7)+(5*9)+(4*0)+(3*3)+(2*0)+(1*9)=161
161 % 10 = 1
So 87903-09-1 is a valid CAS Registry Number.

87903-09-1SDS

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 4-(2-Isobutoxycarbonylmethoxy-3-methoxy-phenyl)-nicotinic acid 1,1-diethyl-propyl ester

1.2 Other means of identification

Product number -
Other names -

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:87903-09-1 SDS

87903-09-1Downstream Products

87903-09-1Relevant articles and documents

Convergent and Efficient Synthesis of Spiro

Rosenberg, Saul H.,Rapoport, Henry

, p. 56 - 62 (2007/10/02)

A synthesis is presented of spiro, tricyclic analogues containing the A, N, and O rings of codeine.Two successive 1,4-additions into a pyridine residue, an intermolecular aryllithium addition followed by an intramolecular ester enolate ring closure, establish the spiro system.Reduction and finally α-methylene lactam rearrangment provide the necessary functionalization for further elaboration and C-ring closure.

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