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128129-58-8

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128129-58-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128129-58-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,1,2 and 9 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 128129-58:
(8*1)+(7*2)+(6*8)+(5*1)+(4*2)+(3*9)+(2*5)+(1*8)=128
128 % 10 = 8
So 128129-58-8 is a valid CAS Registry Number.
InChI:InChI=1/C15H18O7/c1-6-8(16)3-15(20)13(6)4-9(22-11(18)10(13)17)7(2)14(15)5-21-12(14)19/h6-7,9-10,17,20H,3-5H2,1-2H3/t6-,7-,9-,10-,13?,14?,15-/m0/s1

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