210909-92-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 210909-92-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,0,9,0 and 9 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 210909-92:
(8*2)+(7*1)+(6*0)+(5*9)+(4*0)+(3*9)+(2*9)+(1*2)=115
115 % 10 = 5
So 210909-92-5 is a valid CAS Registry Number.
210909-92-5Relevant academic research and scientific papers
Rhodium carbenoid mediated cyclisation of α-diazo-β-keto-δ-hydroxy- phenylsulfones
Lacrampe, Fabienne,Léost, Fran?oise,Doutheau, Alain
, p. 4773 - 4776 (2007/10/03)
The title reaction gave rise to 2-phenylsulfonyl-3-oxo-tetrahydrofurans in satisfactory yields providing an entry to some furan derivatives. (C) 2000 Published by Elsevier Science Ltd.