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19739-00-5

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19739-00-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19739-00-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,7,3 and 9 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 19739-00:
(7*1)+(6*9)+(5*7)+(4*3)+(3*9)+(2*0)+(1*0)=135
135 % 10 = 5
So 19739-00-5 is a valid CAS Registry Number.
InChI:InChI=1/C15H10Br2O4/c16-9-5-8(15(21)12(17)6-9)1-4-13(19)11-3-2-10(18)7-14(11)20/h1-7,18,20-21H/b4-1+

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