91243-91-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91243-91-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,2,4 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 91243-91:
(7*9)+(6*1)+(5*2)+(4*4)+(3*3)+(2*9)+(1*1)=123
123 % 10 = 3
So 91243-91-3 is a valid CAS Registry Number.
91243-91-3Relevant articles and documents
Process for the preparation of malondialdehyde-derivatives
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Example 6, (2008/06/13)
Process for the preparation of malondialdehyde-derivatives by reacting vinylesters with orthoesters in the presence of a precious metal catalyst.
