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10139-57-8

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10139-57-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 10139-57-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,0,1,3 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 10139-57:
(7*1)+(6*0)+(5*1)+(4*3)+(3*9)+(2*5)+(1*7)=68
68 % 10 = 8
So 10139-57-8 is a valid CAS Registry Number.
InChI:InChI=1/2C10H20O2.Mn/c2*1-2-3-4-5-6-7-8-9-10(11)12;/h2*2-9H2,1H3,(H,11,12);/q;;+2/p-2

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