81103-09-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81103-09-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,1,0 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 81103-09:
(7*8)+(6*1)+(5*1)+(4*0)+(3*3)+(2*0)+(1*9)=85
85 % 10 = 5
So 81103-09-5 is a valid CAS Registry Number.
81103-09-5Relevant articles and documents
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Flynn et al.
, p. 3104,3105 (1955)
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Practical radical deoxygenation of erythromycins by barton reaction
Sato, Tsutomu,Koga, Hiroshi,Tsuzuki, Koichi
, p. 499 - 502 (2007/10/03)
Practical radical deoxygenation method of erythromycins was established. Macrolide-type motilin receptor agonist GM-665 (1) has been prepared using this method.