265094-01-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 265094-01-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,5,0,9 and 4 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 265094-01:
(8*2)+(7*6)+(6*5)+(5*0)+(4*9)+(3*4)+(2*0)+(1*1)=137
137 % 10 = 7
So 265094-01-7 is a valid CAS Registry Number.
265094-01-7Relevant articles and documents
A new synthesis of 3-carboxy-2,5-disubstituted furans and their conversion to 5-vinyl derivatives
Marshall, James A.,Zou, Dong
, p. 1347 - 1350 (2007/10/03)
A new route to the title compounds is described. The key transformation involves treatment of a 2-(4-keto-2-alkynyl)-3-ketobutanoate with silica gel or Et3N to effect ring closure and subsequent double bond isomerization. (C) 2000 Elsevier Scie
