69128-14-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69128-14-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,1,2 and 8 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 69128-14:
(7*6)+(6*9)+(5*1)+(4*2)+(3*8)+(2*1)+(1*4)=139
139 % 10 = 9
So 69128-14-9 is a valid CAS Registry Number.
69128-14-9Relevant articles and documents
Process for producing 3-anilino-5-pyrazolones
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, (2008/06/13)
A process for producing a 3-anilino-5-pyrazolone which comprises reacting a β-anilino-β-alkoxy-acrylate with a hydrazine in the presence of a compound having a pKa of about 8 up to about 14.