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851662-61-8

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851662-61-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 851662-61-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,1,6,6 and 2 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 851662-61:
(8*8)+(7*5)+(6*1)+(5*6)+(4*6)+(3*2)+(2*6)+(1*1)=178
178 % 10 = 8
So 851662-61-8 is a valid CAS Registry Number.

851662-61-8Relevant articles and documents

A synthesis of optically active α-quaternary α-amino acids and esters by assembling three components, ketones, (R)-chloromethyl p-tolyl sulfoxide, and sodium azide, via sulfinyloxiranes

Satoh, Tsuyoshi,Hirano, Mizue,Kuroiwa, Akio,Kaneko, Youhei

, p. 9268 - 9279 (2007/10/03)

Treatment of lithium α-sulfinyl carbanion of chloromethyl p-tolyl sulfoxides with ketones at low temperature afforded adducts in almost quantitative yields, which were exposed to t-BuOK to give sulfinyloxiranes in high yields. The sulfinyloxirane was reac

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