1020848-89-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1020848-89-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,0,8,4 and 8 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1020848-89:
(9*1)+(8*0)+(7*2)+(6*0)+(5*8)+(4*4)+(3*8)+(2*8)+(1*9)=128
128 % 10 = 8
So 1020848-89-8 is a valid CAS Registry Number.
1020848-89-8Relevant academic research and scientific papers
COMPOUNDS DERIVED FROM 1 -ETHYL-4,5-DIAMINO-PYRAZOLE AND THEIR USE FOR OXIDATIVE DYEING OF KERATIN FIBRES
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Page/Page column 20, (2008/12/05)
The invention concerns new compounds derived from 1-ethyl-4,5-diamino- pyrazole of formula (I) as dye precursors to be used in compositions with coupling agents for oxidative dyeing of keratin fibres, preferably hair.