488857-00-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 488857-00-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,8,8,8,5 and 7 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 488857-00:
(8*4)+(7*8)+(6*8)+(5*8)+(4*5)+(3*7)+(2*0)+(1*0)=217
217 % 10 = 7
So 488857-00-7 is a valid CAS Registry Number.
488857-00-7Relevant articles and documents
(3-Carbethoxy-2-oxopropylidene)triphenylphosphorane. A Reagent for "3+3" Cyclohexenone Annulation
Pietrusiewicz, K. Michal,Monkiewicz, Jaroslaw
, p. 788 - 790 (2007/10/02)
The development of a new cyclohexenone annulation reaction of general scope which utilizes α,β-unsaturated aldehydes and (3-carbethoxy-2-oxopropylidene)triphenylphosphorane is reported.
