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33972-75-7

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33972-75-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33972-75-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,9,7 and 2 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 33972-75:
(7*3)+(6*3)+(5*9)+(4*7)+(3*2)+(2*7)+(1*5)=137
137 % 10 = 7
So 33972-75-7 is a valid CAS Registry Number.
InChI:InChI=1/CH5AsO3.Fe/c1-2(3,4)5;/h1H3,(H2,3,4,5);/q;+3/p-2

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