147486-89-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 147486-89-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,7,4,8 and 6 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 147486-89:
(8*1)+(7*4)+(6*7)+(5*4)+(4*8)+(3*6)+(2*8)+(1*9)=173
173 % 10 = 3
So 147486-89-3 is a valid CAS Registry Number.
147486-89-3Relevant articles and documents
Synthesis of 6-Vinylidenepenams
Buynak, John D.,Borate, H. B.,Lamb, Grady W.,Khasnis, Dipti D.,Husting, Chad,et al.
, p. 1325 - 1335 (2007/10/02)
The preparation of unique penicillin derivatives containing an exocyclic allene at the 6 position (6-vinylidenepenams) is described.The synthetic scheme utilizes 6-oxopenicillinates as intermediates which stereospecifically add acetylide anions forming pr
