1420199-44-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1420199-44-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,0,1,9 and 9 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1420199-44:
(9*1)+(8*4)+(7*2)+(6*0)+(5*1)+(4*9)+(3*9)+(2*4)+(1*4)=135
135 % 10 = 5
So 1420199-44-5 is a valid CAS Registry Number.
1420199-44-5Relevant academic research and scientific papers
Introduction of histidine units using benzotriazolide activation
Bajaj, Kiran,Panda, Siva S.,Ibrahim, Mohamed A.,El-Feky, Said A.,Katritzky, Alan R.
, p. 110 - 117 (2013/03/29)
Nα-Boc-Nim-(4-toluenesulfonyl-l-histidylbenzotriazole) enables convenient acylation of N-, O-, S-, and C-nucleophiles with no detectable racemization. We report efficient syntheses of novel histidine-containing di-, tri-, and tetra-p
