97805-19-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97805-19-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,8,0 and 5 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 97805-19:
(7*9)+(6*7)+(5*8)+(4*0)+(3*5)+(2*1)+(1*9)=171
171 % 10 = 1
So 97805-19-1 is a valid CAS Registry Number.
97805-19-1Relevant articles and documents
A PROCESS FOR THE PREPARATION OF 1,4-DIALKYL-2,3-DIOL-1,4-BUTANEDIONE
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Page/Page column 4; 5, (2008/06/13)
The present invention relates to a process for the preparation of compounds of a 1,4-dialkyl-2,3-diol-1,4-butanedione by a catalytic aldol condensation between an alkyl glyoxal and an a-hydroxy ketone.
