148901-40-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 148901-40-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,8,9,0 and 1 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 148901-40:
(8*1)+(7*4)+(6*8)+(5*9)+(4*0)+(3*1)+(2*4)+(1*0)=140
140 % 10 = 0
So 148901-40-0 is a valid CAS Registry Number.
148901-40-0Relevant academic research and scientific papers
Janecki
, p. 641 - 650 (1993)
The reaction sequence involving Arbuzov rearrangement of allyl phosphites 4 to phosphonates 5 followed by Horner-Wadsworth-Emmons olefination of 5 with aldehydes gives substituted trienes and tetraenes 8 with full stereoselectivity.