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1,4-Dioxaspiro[4.4]nonane, 2,2,3,3,6,6,7,7,8,8,9,9-dodecafluoro- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

87901-77-7

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87901-77-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87901-77-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,9,0 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 87901-77:
(7*8)+(6*7)+(5*9)+(4*0)+(3*1)+(2*7)+(1*7)=167
167 % 10 = 7
So 87901-77-7 is a valid CAS Registry Number.

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