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C21H26O9 is a chemical compound with a molecular formula indicating that it consists of 21 carbon atoms, 26 hydrogen atoms, and 9 oxygen atoms. C21H26O9 is likely a complex organic molecule, possibly a natural product or a synthetic compound with a molecular weight of 430.43 g/mol. Given the presence of multiple oxygen atoms, it may have functional groups such as hydroxyl, carbonyl, or ester groups, which could contribute to its reactivity and solubility properties. The specific structure and properties of C21H26O9 would depend on the arrangement of these atoms and the types of chemical bonds they form.

1930-11-6

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1930-11-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1930-11-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,3 and 0 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1930-11:
(6*1)+(5*9)+(4*3)+(3*0)+(2*1)+(1*1)=66
66 % 10 = 6
So 1930-11-6 is a valid CAS Registry Number.

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