142505-20-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142505-20-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,5,0 and 5 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 142505-20:
(8*1)+(7*4)+(6*2)+(5*5)+(4*0)+(3*5)+(2*2)+(1*0)=92
92 % 10 = 2
So 142505-20-2 is a valid CAS Registry Number.
142505-20-2Relevant articles and documents
Synthesis and reactivity of benzylic and allylic samarium compounds
Bied,Collin,Kagan
, p. 3877 - 3890 (2007/10/02)
Benzyl and allyl samarium species are prepared by reaction of benzylic or allylic chlorides with SmCp2. They present a wide scope of reactivity towards aldehydes, ketones and acid chlorides.