89289-80-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89289-80-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,2,8 and 9 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 89289-80:
(7*8)+(6*9)+(5*2)+(4*8)+(3*9)+(2*8)+(1*0)=195
195 % 10 = 5
So 89289-80-5 is a valid CAS Registry Number.
89289-80-5Relevant academic research and scientific papers
Diphenyl sulfone compounds, and their production and use
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, (2008/06/13)
A diphenyl sulfone compound of the formula: STR1 wherein R1 is a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group, a lower alkenyloxy group, a lower alkynyloxy group or a lower alkoxycarbonyl(lower)alkoxy group, R2
