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1254701-57-9

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1254701-57-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1254701-57-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,4,7,0 and 1 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1254701-57:
(9*1)+(8*2)+(7*5)+(6*4)+(5*7)+(4*0)+(3*1)+(2*5)+(1*7)=139
139 % 10 = 9
So 1254701-57-9 is a valid CAS Registry Number.

1254701-57-9Relevant articles and documents

Visible-Light-Catalyzed Phosphonation-Annulation: an Efficient Strategy to Synthesize β-Phosphonopyrrolidines and β-Phosphonolactones

Li, Chong,Qi, Zhi-Chao,Yang, Qiang,Qiang, Xiao-Yue,Yang, Shang-Dong

, p. 1052 - 1058 (2018)

A new type of phosphine radical precursor for C—P bond formation has been developed and successfully used in visible-light-catalyzed phosphonation-annulation of unsaturated sulfonamides and carboxylic acids. The catalytic process is simple and green acces

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