98790-80-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98790-80-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,7,9 and 0 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 98790-80:
(7*9)+(6*8)+(5*7)+(4*9)+(3*0)+(2*8)+(1*0)=198
198 % 10 = 8
So 98790-80-8 is a valid CAS Registry Number.
98790-80-8Relevant academic research and scientific papers
Thienothiophene derivatives
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, (2008/06/13)
Thienothiophene derivatives of the formula I in which R1 and R2 are each H or an alkyl group having 1-12 C atoms, in which, furthermore, one or two non-adjacent CH2 groups can be replaced by O atoms, --CO-- or --CH=CH-- gr
