The CAS Registry Mumber 142998-05-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,9,9 and 8 respectively; the second part has 2 digits, 0 and 5 respectively. Calculate Digit Verification of CAS Registry Number 142998-05: (8*1)+(7*4)+(6*2)+(5*9)+(4*9)+(3*8)+(2*0)+(1*5)=158 158 % 10 = 8 So 142998-05-8 is a valid CAS Registry Number.
Synthesis of First Cyclooligosaccharides of L-Series, Cycloawaodorins
Nishizawa, Mugio,Imagawa, Hiroshi
, p. 758 - 769 (2007/10/03)
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