87219-34-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87219-34-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,2,1 and 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 87219-34:
(7*8)+(6*7)+(5*2)+(4*1)+(3*9)+(2*3)+(1*4)=149
149 % 10 = 9
So 87219-34-9 is a valid CAS Registry Number.
87219-34-9Relevant articles and documents
DEVELOPMENT OF CHIRAL β-DICARBONYL EQUIVALENTS. ENANTIODIVERGENT ALKYLATION OF ASPARTIC ACID.
McGarvey, Glenn J.,Hiner, Roger N,Matsubara, Yoshio,Oh, Taeboem
, p. 2733 - 2736 (1983)
L-Aspartic acid has been converted to derivatives which undergo alkylation reactions with stereoselectivities that are enantiomerically complimentary.