80916-88-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80916-88-7 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, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 80916-88:
(7*8)+(6*0)+(5*9)+(4*1)+(3*6)+(2*8)+(1*8)=147
147 % 10 = 7
So 80916-88-7 is a valid CAS Registry Number.
InChI:InChI=1/C15H14N4O4/c1-2-6-21-7-8-22-12-5-3-4-10-9-11(14-16-18-19-17-14)15(20)23-13(10)12/h2-5,9H,1,6-8H2,(H,16,17,18,19)
80916-88-7Relevant articles and documents
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.