138965-48-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138965-48-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,9,6 and 5 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 138965-48:
(8*1)+(7*3)+(6*8)+(5*9)+(4*6)+(3*5)+(2*4)+(1*8)=177
177 % 10 = 7
So 138965-48-7 is a valid CAS Registry Number.
138965-48-7Relevant academic research and scientific papers
Regioselective amidation of aspartic and glutamic acid
Lee,Kim,Ko,Kim
, p. 935 - 936 (2007/10/02)
The synthesis of N-protected aspartic 1-amide and glutamic 1-amide from aspartic and glutamic acids via regioselective amidation of intermediate 5-oxazolidinone derivatives with aqueous ammonia or amine is described.
