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99-23-0

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99-23-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99-23-0 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 9 and 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 99-23:
(4*9)+(3*9)+(2*2)+(1*3)=70
70 % 10 = 0
So 99-23-0 is a valid CAS Registry Number.
InChI:InChI=1/C8H6O6/c9-4-1-3(8(13)14)2-5(10)7(12)6(4)11/h1-2H,(H,13,14)(H3,9,10,11,12)

99-23-0SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name 4,5,6-trihydroxy-3-oxocyclohepta-1,4,6-triene-1-carboxylic acid

1.2 Other means of identification

Product number -
Other names Puberulic acid

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:99-23-0 SDS

99-23-0Downstream Products

99-23-0Relevant articles and documents

A concise total synthesis of puberulic acid, a potent antimalarial agent

Sennari, Goh,Hirose, Tomoyasu,Iwatsuki, Masato,Omura, Satoshi,Sunazuka, Toshiaki

, p. 8715 - 8718 (2014/07/22)

Efficient and practical total synthesis of puberulic acid has been accomplished via 8 steps, with 54% overall yield, and only two C-C bond formations, without the introduction of oxygen atoms into the core skeleton. Construction of the tropolone framework as the key transformation was achieved by multi-tandem oxidation of the aliphatic-triol, from d-(+)-galactose as the starting material.

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