80916-90-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80916-90-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,9,1 and 6 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 80916-90:
(7*8)+(6*0)+(5*9)+(4*1)+(3*6)+(2*9)+(1*0)=141
141 % 10 = 1
So 80916-90-1 is a valid CAS Registry Number.
InChI:InChI=1/C18H14N4O4/c23-18-14(17-19-21-22-20-17)11-12-5-4-8-15(16(12)26-18)25-10-9-24-13-6-2-1-3-7-13/h1-8,11H,9-10H2,(H,19,20,21,22)
80916-90-1Relevant academic research and scientific papers
Tetrazolylcoumarin derivatives and antiallergic compositions containing the same
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, (2008/06/13)
Tetrazolylcoumarin derivatives of the general formula: STR1 wherein R is hydrogen atom, an alkyl group, an alkenyl group, an alkoxyalkyl group or phenyl group, n is an integer of 2 to 4, and the R--O--(CH2)n --O-- group is substituted at any of the 5, 6, 7 and 8 positions of the coumarin ring, and the salts thereof. The compounds are useful as antiallergic agents for preventing and treating allergic diseases.
