99187-41-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99187-41-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,1,8 and 7 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 99187-41:
(7*9)+(6*9)+(5*1)+(4*8)+(3*7)+(2*4)+(1*1)=184
184 % 10 = 4
So 99187-41-4 is a valid CAS Registry Number.
99187-41-4Relevant articles and documents
Unsaturated spiro-γ-lactone formation by the dissociative reduction of bromoacetates
Kolt,Griller,Wayner
, p. 7539 - 7540 (1990)
Unsaturated spiro-γ-butyrolactones can be prepared in good yields from bromoacetate precursors by a simple route that requires only 2-propanol as solvent and free radical initiation.