61654-68-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 61654-68-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,6,5 and 4 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 61654-68:
(7*6)+(6*1)+(5*6)+(4*5)+(3*4)+(2*6)+(1*8)=130
130 % 10 = 0
So 61654-68-0 is a valid CAS Registry Number.
61654-68-0Relevant articles and documents
Synthesis of the naphthalene portion of the rubromycins.
Xie,Kozlowski
, p. 2661 - 2663 (2007/10/03)
[reaction: see text]. A synthesis of a reduced version of the naphthazarin found in the rubromycin class of natural products is reported. The naphthalene ring system is formed via a Doetz reaction with a symmetrical alkyne. Differentiation between the C1'