76239-45-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76239-45-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,2,3 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 76239-45:
(7*7)+(6*6)+(5*2)+(4*3)+(3*9)+(2*4)+(1*5)=147
147 % 10 = 7
So 76239-45-7 is a valid CAS Registry Number.
InChI:InChI=1/C12H10N4O3/c1-6-3-10-7(5-9(6)18-2)4-8(12(17)19-10)11-13-15-16-14-11/h3-5H,1-2H3,(H,13,14,15,16)
76239-45-7Relevant articles and documents
3-(Tetrazol-5-yl), 4-methyl-8-alkoxy coumarins and anti-allergic compositions thereof
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, (2008/06/13)
Coumarin derivatives of the general formula: STR1 wherein R is hydrogen atom, an alkyl group or an alkenyl group, R1 is hydrogen atom, an alkyl group, an alkenyl group or an alkoxy group, and the OR and R1 groups each are substituted at any of the 5, 6, 7 and 8 positions of the coumarin ring, and the salt thereof. The compounds are useful as antiallergic agent for preventing and treating allergic diseases.
