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1219467-74-9

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1219467-74-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1219467-74-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,9,4,6 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1219467-74:
(9*1)+(8*2)+(7*1)+(6*9)+(5*4)+(4*6)+(3*7)+(2*7)+(1*4)=169
169 % 10 = 9
So 1219467-74-9 is a valid CAS Registry Number.

1219467-74-9Relevant articles and documents

Asymmetric intramolecular oxa-Michael reactions of cyclohexadienones catalyzed by a primary amine salt

Wu, Wenbin,Li, Xin,Huang, Huicai,Yuan, Xiaoqian,Lu, Junzhu,Zhu, Kailong,Ye, Jinxing

supporting information, p. 1743 - 1747 (2013/04/10)

Michael brings the rings: An asymmetric intramolecular oxa-Michael reaction involving iminium activation has been developed. This reaction provides enantioenriched 1,4-dioxane derivatives with up to 99 % yield and 98 % ee. The method allows for concise and stereoselective access to stereodiverse, complex tetracyclic compounds containing a bicyclo[2.2.2]octan-2-one backbone with multiple chiral centers. Copyright

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