28241-21-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28241-21-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,2,4 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 28241-21:
(7*2)+(6*8)+(5*2)+(4*4)+(3*1)+(2*2)+(1*1)=96
96 % 10 = 6
So 28241-21-6 is a valid CAS Registry Number.
28241-21-6Relevant 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