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83570-02-9

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83570-02-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83570-02-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,5,7 and 0 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 83570-02:
(7*8)+(6*3)+(5*5)+(4*7)+(3*0)+(2*0)+(1*2)=129
129 % 10 = 9
So 83570-02-9 is a valid CAS Registry Number.

83570-02-9Downstream Products

83570-02-9Relevant academic research and scientific papers

INTRAMOLECULAR CYCLOADDITION OF CARBONYL YLIDES GENERATED FROM α-DIAZO KETONES

Gillon, A.,Ovadia, D.,Kapon,M.,Bien, S.

, p. 1477 - 1484 (1982)

Two cases of intramolecular cycloaddition of carbonyl ylides, formed from the α-diazo-ketones 1 and 8, to a C=C double bond within the molecule are described.The structures of the products 4a and 10 have been established from chemical and spectroscopic ev

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