245729-77-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 245729-77-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,5,7,2 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 245729-77:
(8*2)+(7*4)+(6*5)+(5*7)+(4*2)+(3*9)+(2*7)+(1*7)=165
165 % 10 = 5
So 245729-77-5 is a valid CAS Registry Number.
245729-77-5Relevant articles and documents
Synthesis of coumermycin A1
Olson, Steven H.,Slossberg, Llnon H.
, p. 61 - 63 (2007/10/03)
A concise synthesis of the antibiotic coumermycin A1, a natural product isolated from streptomyces, was achieved. In a key step, a selectively protected noviose sugar was prepared from novobiocin through a transglycosylation reaction with aceto