132672-06-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 132672-06-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,6,7 and 2 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 132672-06:
(8*1)+(7*3)+(6*2)+(5*6)+(4*7)+(3*2)+(2*0)+(1*6)=111
111 % 10 = 1
So 132672-06-1 is a valid CAS Registry Number.
132672-06-1Relevant articles and documents
Highly periselective [2,3]Wittig rearrangements on dihydrofuran and dihydropyran rings
Tomooka, Katsuhiko,Watanabe, Masashi,Nakai, Takeshi
, p. 7353 - 7354 (2007/10/02)
The carbanion 3,5-arrangements involving the dihydrofuran and dihydropyran rings as migrating groups are shown to afford exclusively the [2,3]Wittig products with a remarkably high periselectivity and stereoselectivity.