89534-28-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89534-28-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,5,3 and 4 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 89534-28:
(7*8)+(6*9)+(5*5)+(4*3)+(3*4)+(2*2)+(1*8)=171
171 % 10 = 1
So 89534-28-1 is a valid CAS Registry Number.
89534-28-1Relevant articles and documents
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Lilienfeld,Tauss
, p. 77 (1898)
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OPTIMIZED PROCEDURE FOR THE CROSS-ALDOL CONDENSATION OF REACTIVE ALDEHYDES
Kohler, Boris A. B.
, p. 39 - 42 (2007/10/02)
The best method of direct aldol condensation has been optimized for reactive aldehydes.