1632-33-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1632-33-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,3 and 2 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1632-33:
(6*1)+(5*6)+(4*3)+(3*2)+(2*3)+(1*3)=63
63 % 10 = 3
So 1632-33-3 is a valid CAS Registry Number.
1632-33-3Relevant academic research and scientific papers
Magenta couplers
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, (2008/06/13)
Magenta couplers of the 5-pyrazolone type which have a phenylcarbamylamino substituent in the 3-position of the pyrazolone nucleus and which have, as a substituent in the 1-position of the pyrazolone nucleus, a 2', 4'-dihalo-6'-alkoxyphenyl group or a 2', 6'-dihalo-4'-alkoxyphenyl group.
