128625-48-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128625-48-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,6,2 and 5 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 128625-48:
(8*1)+(7*2)+(6*8)+(5*6)+(4*2)+(3*5)+(2*4)+(1*8)=139
139 % 10 = 9
So 128625-48-9 is a valid CAS Registry Number.
128625-48-9Relevant articles and documents
A highly stereoselective synthesis of (3S,4S)-statine and (3S,4S)-cyclohexylstatine
Takemoto,Matsumoto,Ito,Terashima
, p. 2425 - 2428 (1991)
The title compounds, which are synthetic intermediates of renin inhibitors, could be prepared from (S)-leucine and (S)-phenylalanine, respectively, by employing highly stereoselective aldol reactions of O-methyl-O-trimethylsilyl ketene acetal with an (S)-
