202120-71-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 202120-71-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,2,1,2 and 0 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 202120-71:
(8*2)+(7*0)+(6*2)+(5*1)+(4*2)+(3*0)+(2*7)+(1*1)=56
56 % 10 = 6
So 202120-71-6 is a valid CAS Registry Number.
202120-71-6Relevant articles and documents
Phthalocyanine dyes
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Page 21-22, (2010/02/08)
Fluorescent dyes are disclosed which are useful as reporter groups for labeling biomolecules. The silicon phthalocyanine dyes disclosed are preferably water soluble, isomericly pure, possess high quantum yield, and are useful in bioassays.
