757243-49-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 757243-49-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,5,7,2,4 and 3 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 757243-49:
(8*7)+(7*5)+(6*7)+(5*2)+(4*4)+(3*3)+(2*4)+(1*9)=185
185 % 10 = 5
So 757243-49-5 is a valid CAS Registry Number.
757243-49-5Relevant articles and documents
Synthesis of [phenyl-13C6]lachnanthocarpone and other 13C-labelled phenylphenalenones
Otalvaro, Felipe,Quinones, Winston,Echeverri, Fernando,Schneider, Bernd
, p. 147 - 159 (2007/10/03)
[phenyl-13C6]Lachnanthocarpone ([phenyl- 13C6]2,6-dihydroxy-9-phenylphenalen-1-one), a hypothetical intermediate in the biosynthesis of various natural phenylphenalenones, was prepared in four steps using [U- s