138405-26-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138405-26-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,4,0 and 5 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 138405-26:
(8*1)+(7*3)+(6*8)+(5*4)+(4*0)+(3*5)+(2*2)+(1*6)=122
122 % 10 = 2
So 138405-26-2 is a valid CAS Registry Number.
138405-26-2Relevant academic research and scientific papers
Kovacs, Imre,Herczegh, Pal,Sztaricskai, Ferenc J.
, p. 7837 - 7844 (1991)
The title compounds have been synthesized from the (2R,3S)-tartraldehyde mercaptal 4 in seven steps with 21percent overall yield.
