139253-55-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139253-55-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,2,5 and 3 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 139253-55:
(8*1)+(7*3)+(6*9)+(5*2)+(4*5)+(3*3)+(2*5)+(1*5)=137
137 % 10 = 7
So 139253-55-7 is a valid CAS Registry Number.
139253-55-7Relevant academic research and scientific papers
Edlin, Chris D.,Faulkner, James,Helliwell, Madeleine,Knight, Christopher K.,Parker, Jeremy,Quayle, Peter,Raftery, James
, p. 3004 - 3015 (2006)
Atom transfer cyclization reactions (ATRC) provide rapid access to functionalized γ-butyrolactones.
