80916-87-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80916-87-6 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 7 respectively.
Calculate Digit Verification of CAS Registry Number 80916-87:
(7*8)+(6*0)+(5*9)+(4*1)+(3*6)+(2*8)+(1*7)=146
146 % 10 = 6
So 80916-87-6 is a valid CAS Registry Number.
InChI:InChI=1/C16H18N4O4/c1-2-22-8-3-4-9-23-13-7-5-6-11-10-12(15-17-19-20-18-15)16(21)24-14(11)13/h5-7,10H,2-4,8-9H2,1H3,(H,17,18,19,20)
80916-87-6Relevant 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.