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2-methylpentane(2-13C) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

27809-89-8

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27809-89-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 27809-89-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,8,0 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 27809-89:
(7*2)+(6*7)+(5*8)+(4*0)+(3*9)+(2*8)+(1*9)=148
148 % 10 = 8
So 27809-89-8 is a valid CAS Registry Number.

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