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33204-40-9

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33204-40-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33204-40-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,2,0 and 4 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 33204-40:
(7*3)+(6*3)+(5*2)+(4*0)+(3*4)+(2*4)+(1*0)=69
69 % 10 = 9
So 33204-40-9 is a valid CAS Registry Number.
InChI:InChI=1/C17H20O6/c1-7-5-10(21-9(3)18)12-8(2)15(19)22-13(12)14-16(4)11(23-16)6-17(7,14)20/h10-14,20H,1-2,5-6H2,3-4H3/t10-,11+,12+,13-,14-,16+,17?/m0/s1

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