155601-19-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155601-19-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,6,0 and 1 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 155601-19:
(8*1)+(7*5)+(6*5)+(5*6)+(4*0)+(3*1)+(2*1)+(1*9)=117
117 % 10 = 7
So 155601-19-7 is a valid CAS Registry Number.
155601-19-7Relevant articles and documents
Process for the synthesis of 4,5-diaminopyrazole derivatives useful for dyeing hair
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, (2008/06/13)
The subject matter of the present invention is directed to a process for producing 4,5-diaminopyrazole derivatives of the general formula (I) STR1 where R1 and R2 independently designate hydrogen, a C1 - to C6 -