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t-butyl 7-hexyl-3-oxooxepane-2-carboxylate (keto-form) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128209-87-0

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128209-87-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128209-87-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,2,0 and 9 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 128209-87:
(8*1)+(7*2)+(6*8)+(5*2)+(4*0)+(3*9)+(2*8)+(1*7)=130
130 % 10 = 0
So 128209-87-0 is a valid CAS Registry Number.

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