1042431-16-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1042431-16-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,2,4,3 and 1 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1042431-16:
(9*1)+(8*0)+(7*4)+(6*2)+(5*4)+(4*3)+(3*1)+(2*1)+(1*6)=92
92 % 10 = 2
So 1042431-16-2 is a valid CAS Registry Number.
1042431-16-2Relevant articles and documents
AN EFFICIENT SYNTHESIS OF (2S,3R)- AND (2S,3S)-SPHINGOSINE
Obayashi, Michio,Schlosser, Manfred
, p. 1715 - 1718 (2007/10/02)
A straightforward sequence of reactions allows the conversion of D(+)-Mannose and D(+)-ribono-1,4-lactone into "erythro"-(2S,3R)- and "threo"-(2S,3S)-sphingosine, respectively.