21633-62-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21633-62-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,6,3 and 3 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 21633-62:
(7*2)+(6*1)+(5*6)+(4*3)+(3*3)+(2*6)+(1*2)=85
85 % 10 = 5
So 21633-62-5 is a valid CAS Registry Number.
21633-62-5Relevant 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.
