93233-47-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93233-47-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,2,3 and 3 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 93233-47:
(7*9)+(6*3)+(5*2)+(4*3)+(3*3)+(2*4)+(1*7)=127
127 % 10 = 7
So 93233-47-7 is a valid CAS Registry Number.
93233-47-7Relevant articles and documents
STEREOCHEMISTRY OF THE SN2' DISPLACEMENT OF CHIRAL 1,3-DISUBSTITUTED BROMOALLENES TO FORM CHIRAL ACETYLENES
Corey, E. J.,Boaz, Neil W.
, p. 3059 - 3062 (2007/10/02)
Optically active 1,3-disubstituted bromoallenes react with a variety of cuprate reagents preferentially is an SN2' fashion with very high anti selectivity.