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911689-29-7

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911689-29-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 911689-29-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,1,6,8 and 9 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 911689-29:
(8*9)+(7*1)+(6*1)+(5*6)+(4*8)+(3*9)+(2*2)+(1*9)=187
187 % 10 = 7
So 911689-29-7 is a valid CAS Registry Number.

911689-29-7Relevant articles and documents

Synthesis of annulated oxazolidinones as potential precursors of cyclic cis-β-amino alcohols

Chudinov,Gashev,Chernysheva,Semenov

, p. 123 - 136 (2007/10/03)

A simple method for the synthesis of annulated 1,3-oxazolidin-2-ones from accessible ketones, acetylene, and carbon dioxide was developed. If their molecules contain arylalkyl substituents, intramolecular cyclization in acidic media gave rise to fused heterocyclic systems in high yields. The effects of the substituents in positions 3 and 5 of the oxazolidine ring on the regioselectivity of this cyclization were studied. The possibilities of converting oxazolidinones into cyclic cis-β-amino alcohols were studied.

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