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1616969-99-3

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1616969-99-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1616969-99-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,6,9,6 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1616969-99:
(9*1)+(8*6)+(7*1)+(6*6)+(5*9)+(4*6)+(3*9)+(2*9)+(1*9)=223
223 % 10 = 3
So 1616969-99-3 is a valid CAS Registry Number.

1616969-99-3Downstream Products

1616969-99-3Relevant articles and documents

New phosphorus self-assembling ligands for the tandem hydroformylation- Wittig olefination reaction of homoallylic alcohols - A key step for stereoselective pyran synthesis

Ruan, Qiao,Zhou, Le,Breit, Bernhard

, p. 87 - 90 (2014)

New self-assembled phosphorus ligands are synthesized and used in the rhodium complex catalyzed hydroformylation-Wittig reaction of homoallylic olefins under optimized condition. A subsequent oxa-Michael intramolecular reaction yields β-pyran derivatives (conversion and diastereoselectivity up to 99%).

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