84332-53-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 84332-53-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,3,3 and 2 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 84332-53:
(7*8)+(6*4)+(5*3)+(4*3)+(3*2)+(2*5)+(1*3)=126
126 % 10 = 6
So 84332-53-6 is a valid CAS Registry Number.
84332-53-6Relevant articles and documents
Synthesis of amino acids diazoketones
Pettit, Georeg R.,Nelson, Paul S.
, p. 2097 - 2102 (2007/10/02)
A study of carboxylic acid -> diazoketone conversion was pursued employing the γ-carboxyl group of otherwise protected L-glutamic acids.The Arndt-Eistert route employing carboxylic acid chloride intermediates was found best (52percent yield,5b), performed