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43212-87-9

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43212-87-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 43212-87-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,3,2,1 and 2 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 43212-87:
(7*4)+(6*3)+(5*2)+(4*1)+(3*2)+(2*8)+(1*7)=89
89 % 10 = 9
So 43212-87-9 is a valid CAS Registry Number.
InChI:InChI=1/3C4H6O4.2Fe/c3*5-3(6)1-2-4(7)8;;/h3*1-2H2,(H,5,6)(H,7,8);;/q;;;2*+3/p-6

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