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109517-72-8

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109517-72-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109517-72-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,5,1 and 7 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 109517-72:
(8*1)+(7*0)+(6*9)+(5*5)+(4*1)+(3*7)+(2*7)+(1*2)=128
128 % 10 = 8
So 109517-72-8 is a valid CAS Registry Number.
InChI:InChI=1/C22H30O5/c1-13(2)22(26)10-9-21(4)12-17(24)14(3)11-18(19(21)22)27-20(25)15-5-7-16(23)8-6-15/h5-8,13,17-19,23-24,26H,3,9-12H2,1-2,4H3/t17-,18-,19+,21+,22+/m0/s1

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