553679-43-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 553679-43-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,5,3,6,7 and 9 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 553679-43:
(8*5)+(7*5)+(6*3)+(5*6)+(4*7)+(3*9)+(2*4)+(1*3)=189
189 % 10 = 9
So 553679-43-9 is a valid CAS Registry Number.
553679-43-9Relevant articles and documents
A concise synthesis of (2S,4R)- and (2S,4S)-4-methylglutamic acid
Gu, Zi-Qiang,Li, Min
, p. 3203 - 3205 (2007/10/03)
A concise, multi-gram scale method for producing the bioactive and enantiomerically pure epimers, (2S,4R)- and (2S,4S)-glutamic acids, in a single synthetic scheme is described.
