291527-42-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 291527-42-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,1,5,2 and 7 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 291527-42:
(8*2)+(7*9)+(6*1)+(5*5)+(4*2)+(3*7)+(2*4)+(1*2)=149
149 % 10 = 9
So 291527-42-9 is a valid CAS Registry Number.
291527-42-9Relevant articles and documents
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.
