120041-72-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 120041-72-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,0,4 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 120041-72:
(8*1)+(7*2)+(6*0)+(5*0)+(4*4)+(3*1)+(2*7)+(1*2)=57
57 % 10 = 7
So 120041-72-7 is a valid CAS Registry Number.
120041-72-7Relevant articles and documents
A ONE-POT PROCEDURE FOR ATTACHING TWO DIFFERENTIATED CARBON SIDE CHAINS TO ADJACENT CARBONS OF AN ARENE RING
Hart, Harold,Saednya, Akbar
, p. 1749 - 1752 (2007/10/02)
Treatment of o-bromoiodobenzene successively with a vinyl Grignard reagent (2+ equivalents) and an allylic halide (1+ equivalent) gives a good yield of arene containing adjacent vinyl and allyl sidechains.