181309-84-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 181309-84-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,1,3,0 and 9 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 181309-84:
(8*1)+(7*8)+(6*1)+(5*3)+(4*0)+(3*9)+(2*8)+(1*4)=132
132 % 10 = 2
So 181309-84-2 is a valid CAS Registry Number.
181309-84-2Relevant articles and documents
Synthesis of nonracemic 3-fluoro-aspartic acids
Charvillon, F. Burgat,Amouroux
, p. 5103 - 5106 (1996)
The two isomers (2S,3S) and (2S,3R) of 3-fluoro-D-aspartic acid were synthesized by two independent routes both starting from D-tartaric acid esters.