189942-81-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 189942-81-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,9,4 and 2 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 189942-81:
(8*1)+(7*8)+(6*9)+(5*9)+(4*4)+(3*2)+(2*8)+(1*1)=202
202 % 10 = 2
So 189942-81-2 is a valid CAS Registry Number.
189942-81-2Relevant articles and documents
Intermediate compounds and methods for synthesizing chemiluminescent dioxetane substrates
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Page/Page column 2, (2010/10/20)
Methods for synthesizing 1,2-dioxetane compounds and intermediate compounds useful in the synthesis of these dioxetane compounds are described. The methods and intermediates allow for the efficient production of dioxetane substrates having electron withdr
