104639-95-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 104639-95-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,6,3 and 9 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 104639-95:
(8*1)+(7*0)+(6*4)+(5*6)+(4*3)+(3*9)+(2*9)+(1*5)=124
124 % 10 = 4
So 104639-95-4 is a valid CAS Registry Number.
104639-95-4Relevant academic research and scientific papers
Stereochemistry of the Phosphate-Phosphonate Rearrangement
Hammerschmidt, Friedrich,Voellenkle, Horst
, p. 2053 - 2064 (2007/10/02)
The enantiomerically pure 1-phenylethanols (R)-(+)-5 and (S)-(-)-5 were transformed into the diethyl phpsphates (R)-(+)-6 and (S)-(-)-6, which were subjected a phosphate-phosphonate rearrangement to give the 1-hydroxyphosphonates (-)-7 and (+)-7, respecti
