821789-34-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 821789-34-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,2,1,7,8 and 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 821789-34:
(8*8)+(7*2)+(6*1)+(5*7)+(4*8)+(3*9)+(2*3)+(1*4)=188
188 % 10 = 8
So 821789-34-8 is a valid CAS Registry Number.
821789-34-8Relevant articles and documents
Fluorophore compounds and their use in biological systems
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, (2008/06/13)
Fluorophore compounds and methods for their use are disclosed. The fluorophores contain a 2-dicyanomethylen-3-cyano-2,5-dihydrofuran (DCDHF) moiety and one or more donor groups conjugated to the 2-dicyanomethylen-3-cyano-2,5-dihydrofuran group. The donor