24143-74-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 24143-74-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,4,1,4 and 3 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 24143-74:
(7*2)+(6*4)+(5*1)+(4*4)+(3*3)+(2*7)+(1*4)=86
86 % 10 = 6
So 24143-74-6 is a valid CAS Registry Number.
24143-74-6Relevant articles and documents
STEREOSPECIFIC DEOXYGENATION OF 1,2-DIOLS TO OLEFINS
King, John L.,Posner, Bruce A.,Mak, Kwok Tim,Yang, Nien-chu C.
, p. 3919 - 3922 (1987)
The 2-dimethylamino-1,3-dioxolane derivatives of 1,2-diols when treated with trifluoromethane sulfonic anhydride and diisopropylethylamine in toluene give the corresponding olefins stereospecifically under mild experimental conditions.