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1202929-10-9

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1202929-10-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1202929-10-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,2,9,2 and 9 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1202929-10:
(9*1)+(8*2)+(7*0)+(6*2)+(5*9)+(4*2)+(3*9)+(2*1)+(1*0)=119
119 % 10 = 9
So 1202929-10-9 is a valid CAS Registry Number.

1202929-10-9Relevant articles and documents

A phosphine-catalysed one-pot domino sequence to access cyclopentene-fused coumarins

Chen, Kai,Chen, Yan-Shan,Chen, Zhi-Jun,He, Xian-Chen,Xiang, Hao-Yue,Xiao, Jun-An,Xie, Zhen-Zhen,Yang, Hua,Zheng, Yu

supporting information, p. 7074 - 7080 (2021/08/25)

A novel phosphine-catalysed, one-pot domino approach for the annulation of 2-formylphenyl alkynoates with activated methylene compounds to construct various cyclopentene-fused dihydrocoumarins is reported. This developed strategy provides a facile and efficient approach for the synthesis of structurally complex coumarins from inexpensive and readily available alkynoates.

Control of chemoselectivity by counteranions of cationic palladium complexes: A convenient enantioselective synthesis of dihydrocoumarins

Han, Xiuling,Lu, Xiyan

supporting information; experimental part, p. 108 - 111 (2010/03/04)

Chemical Equation Presented High chemoselectivity for the synthesis of two kinds of substituted coumarins controlled by the counteranions of the cationic palladium catalysts is described. The asymmetric version of the reaction for the synthesis of 3-alkylidene dihydrocoumarins is realized with high enantioselectivity

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