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1204589-64-9

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1204589-64-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1204589-64-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,4,5,8 and 9 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1204589-64:
(9*1)+(8*2)+(7*0)+(6*4)+(5*5)+(4*8)+(3*9)+(2*6)+(1*4)=149
149 % 10 = 9
So 1204589-64-9 is a valid CAS Registry Number.

1204589-64-9Downstream Products

1204589-64-9Relevant articles and documents

Highly enantio- and diastereoselective synthesis of α- trifluoromethyldihydropyrans using a novel bifunctional piperazine-thiourea catalyst

Li, Peng,Chai, Zhuo,Zhao, Sheng-Li,Yang, Ying-Quan,Wang, Hai-Feng,Zheng, Chang-Wu,Cai, Yue-Peng,Zhao, Gang,Zhu, Shi-Zheng

supporting information; experimental part, p. 7369 - 7371 (2010/06/14)

The first enantioselective Michael addition of α-cyanoketones to α,β-unsaturated trifluoromethyl ketones using a novel piperazine-thiourea catalyst was described. The resulting α- trifluoromethyldihydropyrans were obtained in high yields and with up to 95

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