185342-39-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 185342-39-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,5,3,4 and 2 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 185342-39:
(8*1)+(7*8)+(6*5)+(5*3)+(4*4)+(3*2)+(2*3)+(1*9)=146
146 % 10 = 6
So 185342-39-6 is a valid CAS Registry Number.
185342-39-6Relevant articles and documents
An expeditious synthesis of 4-aryl-γ-butyrolactones, -furan-2(5H)-ones and -5-alkoxyfuran-2(5H)-ones via Heck-reaction of arenediazonium salts with 2,5-dihydrofuran
Mehta, Goverdhan,Sengupta, Saumitra
, p. 8625 - 8626 (2007/10/03)
An exceptionally simple and short synthetic sequence to 4-substituted furan-2(5H)-ones involving a Heck reaction on 2,5-dihydrofuran and subsequent iterative NBS oxidation is described.
