155601-26-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155601-26-6 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, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 155601-26:
(8*1)+(7*5)+(6*5)+(5*6)+(4*0)+(3*1)+(2*2)+(1*6)=116
116 % 10 = 6
So 155601-26-6 is a valid CAS Registry Number.
155601-26-6Relevant 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 -