158009-87-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158009-87-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,0,0 and 9 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 158009-87:
(8*1)+(7*5)+(6*8)+(5*0)+(4*0)+(3*9)+(2*8)+(1*7)=141
141 % 10 = 1
So 158009-87-1 is a valid CAS Registry Number.
158009-87-1Relevant articles and documents
APPROACHES TOWARD THE TOTAL SYNTHESES OF ASTIN A, B, AND C
Jiang, Jianjun,Schumacher, Kelly K.,Joullie, Madeleine M.,Davis, Franklin A.,Reddy, Rajarathnam E.
, p. 2121 - 2124 (2007/10/02)
Two nonessential amino acids, (+)-(S)-2-aminobutanoic acid and the methyl ester of L-β-phenylalanine , were synthesized to provide a tripeptide which will be used in the total syntheses of astins A, B, and C.