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57684-11-4

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57684-11-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57684-11-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,6,8 and 4 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 57684-11:
(7*5)+(6*7)+(5*6)+(4*8)+(3*4)+(2*1)+(1*1)=154
154 % 10 = 4
So 57684-11-4 is a valid CAS Registry Number.

57684-11-4SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name (-)-podocarp-9(11)-en-12-one

1.2 Other means of identification

Product number -
Other names (4bS,8aS,10aS)-4b,8,8-Trimethyl-1,4b,5,6,7,8,8a,9,10,10a-decahydro-2H-phenanthren-3-one

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:57684-11-4 SDS

57684-11-4Downstream Products

57684-11-4Relevant articles and documents

The formation of 8-epipodocarp-9(11)en-12-one in the course of the preparation of podocarp-9(11)-en-12-one from O-methylpodocarpane and related studies

Leonelli, Francesca,Borocci, Stefano,Migneco, Luisa M.,Bettolo, Rinaldo Marini,Lamba, Doriano

, p. 2817 - 2826 (2007/10/03)

The preparation of podocarp-9(11)-en-12-one (1a) from O-methylpodocarpane (2) was investigated with the aim of clarifying whether 8-epipodocarp-9(11)-en-12-one (1b) is formed to any extent during the early stages of the process. This study, supported by molecular-mechanics calculations, resulted in the preparation, along with 1a, of the previously undescribed 1b, which could be fully characterized by means of 2D-NMR experiments. Significant differences recorded in the NMR and NOESY spectra of 1a and 1b were of diagnostic value in establishing the relative configuration at C(8) and possibly might be helpful to solve similar problems on podocarp-9(11)-en-12-one derivatives.

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