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399551-33-8

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399551-33-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 399551-33-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,9,9,5,5 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 399551-33:
(8*3)+(7*9)+(6*9)+(5*5)+(4*5)+(3*1)+(2*3)+(1*3)=198
198 % 10 = 8
So 399551-33-8 is a valid CAS Registry Number.

399551-33-8Relevant articles and documents

Transformation of α,β-epoxyesters into 2,3-dideuterioesters promoted by samarium diiodide

Concellon, Jose M.,Bardales, Eva,Llavona, Ricardo

, p. 1585 - 1588 (2007/10/03)

An easy and general sequenced elimination/reduction process by means of samarium diiodide, in the presence of D2O, provides an efficient method for synthesizing 2,3-dideuterioesters 2. The reaction can be also carried out in the presence of H2O instead of D2O, yielding the corresponding saturated esters 4. Other deuterated esters have been also obtained. A mechanism to explain this synthesis has been proposed.

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