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201009-33-8

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201009-33-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 201009-33-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,0,0 and 9 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 201009-33:
(8*2)+(7*0)+(6*1)+(5*0)+(4*0)+(3*9)+(2*3)+(1*3)=58
58 % 10 = 8
So 201009-33-8 is a valid CAS Registry Number.

201009-33-8Downstream Products

201009-33-8Relevant articles and documents

A short synthesis of conjugated unsaturated alcohols

Kazmaier, Uli

, p. 1491 - 1496 (2007/10/03)

Isomerization of acetylenic pentafluorophenyl esters in the presence of phosphines gives rise to activated dienoic esters, which can be reduced directly in a simple one pot procedure to the corresponding conjugated unsaturated alcohols 6-10. The higher reactivity of the pentafluorophenyl esters in comparison to alkyl esters allows their selective isomerization.

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