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137863-43-5

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137863-43-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137863-43-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,8,6 and 3 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 137863-43:
(8*1)+(7*3)+(6*7)+(5*8)+(4*6)+(3*3)+(2*4)+(1*3)=155
155 % 10 = 5
So 137863-43-5 is a valid CAS Registry Number.

137863-43-5Downstream Products

137863-43-5Relevant articles and documents

Generation of Oxyphosphonium Ions by Photoredox/Cobaloxime Catalysis for Scalable Amide and Peptide Synthesis in Batch and Continuous-Flow

Chen, Xiangyang,Houk, Kendall N.,Mo, Jia-Nan,Su, Junqi,Umanzor, Alexander,Zhang, Zheng,Zhao, Jiannan

supporting information, (2022/01/06)

Phosphine-mediated deoxygenative nucleophilic substitutions, such as the Mitsunobu reaction, are of great importance in organic synthesis. However, the conventional protocols require stoichiometric oxidants to trigger the formation of the oxyphosphonium i

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