91483-47-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91483-47-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,4,8 and 3 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 91483-47:
(7*9)+(6*1)+(5*4)+(4*8)+(3*3)+(2*4)+(1*7)=145
145 % 10 = 5
So 91483-47-5 is a valid CAS Registry Number.
91483-47-5Relevant articles and documents
PREPARATION OF CHIRAL SULFONES BY ASYMMETRIC ADDITION OF ARENESULFONYL CARBANIONS TO ACETONE
Akiyama, Takahiko,Shimizu, Makoto,Mukaiyama, Teruaki
, p. 611 - 614 (1984)
In the presence of a chiral diamine, the magnesium salt of tolyl sulfone reacts with acetone at the α-carbon to afford the corresponding β-hydroxy adduct in good optical purity.
