25579-45-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25579-45-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,5,7 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 25579-45:
(7*2)+(6*5)+(5*5)+(4*7)+(3*9)+(2*4)+(1*5)=137
137 % 10 = 7
So 25579-45-7 is a valid CAS Registry Number.
25579-45-7Relevant articles and documents
Base-promoted reactions of dichlorocarbene adducts of cyclic enamines: A new route to annulated pyrroles
Bissember, Alex C.,Phillis, Andrew T.,Banwell, Martin G.,Willis, Anthony C.
, p. 5421 - 5424 (2008/09/17)
Treatment of the gem-dihalogenocyclopropanes 1-5 with potassium tert-butoxide or LDA results in the formation of the corresponding and annulated pyrroles 13-17, respectively.
