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220222-34-4

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220222-34-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 220222-34-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,2,2 and 2 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 220222-34:
(8*2)+(7*2)+(6*0)+(5*2)+(4*2)+(3*2)+(2*3)+(1*4)=64
64 % 10 = 4
So 220222-34-4 is a valid CAS Registry Number.

220222-34-4Downstream Products

220222-34-4Relevant articles and documents

On the selective O-alkylation of ambident nucleophiles - The synthesis of thiohydroxamic acid O-esters by phase-transfer reactions

Hartung, Jens,Kneuer, Rainer,Schwarz, Michaela,Svoboda, Ingrid,Fue?, Hartmut

, p. 97 - 106 (2007/10/03)

O-Alkylation of cyclic thiohydroxamic acids 1 and 3-5 has been studied with a view to developing an efficient method for the synthesis of N- (alkoxy)pyridine-2(1H)-thiones and N(alkoxy)thiazole-2(3H)-thiones. Four issues have been addressed and the follow

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