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73213-63-5

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73213-63-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73213-63-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,2,1 and 3 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 73213-63:
(7*7)+(6*3)+(5*2)+(4*1)+(3*3)+(2*6)+(1*3)=105
105 % 10 = 5
So 73213-63-5 is a valid CAS Registry Number.
InChI:InChI=1/C19H20O4/c1-8-5-11(20)6-10-3-4-19-9(2)16(21)17(23-18(19)22)13-7-12(8)14(10)15(13)19/h5-6,9,13,15-17,21H,3-4,7H2,1-2H3/t9-,13+,15+,16-,17+,19?/m1/s1

73213-63-5SDS

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 Harringtonolide,5,15-deepoxy-15-hydroxy-,(15R)

1.2 Other means of identification

Product number -
Other names Hainanolidol

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:73213-63-5 SDS

73213-63-5Upstream product

73213-63-5Downstream Products

73213-63-5Relevant academic research and scientific papers

Stereoselective total synthesis of hainanolidol and harringtonolide via oxidopyrylium-based [5 + 2] cycloaddition

Zhang, Min,Liu, Na,Tang, Weiping

, p. 12434 - 12438 (2013)

The tetracyclic carbon skeleton of hainanolidol and harringtonolide was efficiently constructed by an intramolecular oxidopyrylium-based [5 + 2] cycloaddition. An anionic ring-opening strategy was developed for the cleavage of the ether bridge in 8-oxabicyclo[3.2.1]octenes derived from the [5 + 2] cycloaddition. Conversion of cycloheptadiene to tropone was realized by a sequential [4 + 2] cycloaddition, Kornblum-DeLaMare rearrangement, and double elimination. The biomimetic synthesis of harringtonolide from hainanolidol was also confirmed.

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