113893-91-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 113893-91-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,8,9 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 113893-91:
(8*1)+(7*1)+(6*3)+(5*8)+(4*9)+(3*3)+(2*9)+(1*1)=137
137 % 10 = 7
So 113893-91-7 is a valid CAS Registry Number.
113893-91-7Relevant articles and documents
Facile strategy to 3-acylfurans by silver(I)/celite-mediated cycloaddition of 1,3-dicarbonyl compounds to vinyl sulfides. First total synthesis of α-clausenan
Lee Yong Rok, R.,Kim, Nam Suk,Kim, Byung So
, p. 5671 - 5674 (2007/10/03)
An efficient synthesis of 3-acylfurans is achieved by silver((I)/Celite-mediated cycloaddition of dicarbonyl compounds, with vinyl sulfides.