187400-05-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 187400-05-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,4,0 and 0 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 187400-05:
(8*1)+(7*8)+(6*7)+(5*4)+(4*0)+(3*0)+(2*0)+(1*5)=131
131 % 10 = 1
So 187400-05-1 is a valid CAS Registry Number.
187400-05-1Relevant articles and documents
First syntheses of (2S,3S)- and (2S,3R) - m-prenyl-β-hydroxytyrosine derivatives: Bioactive amino acid fragment of a substance P antagonist novel cyclic heptapeptide
Kumar, Jalluri S. Ravi,Datta, Apurba
, p. 473 - 476 (2007/10/03)
A stereodefined synthesis of both the C-3 isomers of the title tyrosine related new amino acid 3 has been achieved starting from D-serine and 4-bromophenol.