412299-72-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 412299-72-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,1,2,2,9 and 9 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 412299-72:
(8*4)+(7*1)+(6*2)+(5*2)+(4*9)+(3*9)+(2*7)+(1*2)=140
140 % 10 = 0
So 412299-72-0 is a valid CAS Registry Number.
412299-72-0Relevant articles and documents
A CONDENSED SYNTHESIS OF DIHYDRO-3(2H)-FURANONE
Tarnchompoo, Bonkoch,Thebtaranonth, Yodhathai
, p. 5567 - 5570 (2007/10/02)
A straight forward synthesis of dihydro-3(2H)-furanone is described.An attempted preparation of the oxetan-3-one precursor 10 by this method gave, instead, the ring enlargement product 11.
