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2-Hexyne, 6-chloro-1-iodo- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

78668-57-2

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78668-57-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78668-57-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,6,6 and 8 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 78668-57:
(7*7)+(6*8)+(5*6)+(4*6)+(3*8)+(2*5)+(1*7)=192
192 % 10 = 2
So 78668-57-2 is a valid CAS Registry Number.

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