5699-81-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5699-81-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,6,9 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 5699-81:
(6*5)+(5*6)+(4*9)+(3*9)+(2*8)+(1*1)=140
140 % 10 = 0
So 5699-81-0 is a valid CAS Registry Number.
5699-81-0Relevant articles and documents
A convenient synthesis of optically active N-(o-carboxybenzoyl)-L-amino acids
Onofrio, Alvaro B.,Joussef, Antonio C.,Nome, Faruk
, p. 3039 - 3049 (2007/10/03)
Optically active N-(o-Carboxybenzoyl)-amino acids, derived from L- phenylalanine, L-leucine and L-valine, were prepared in reasonably good yields and high optical purities.
