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[(Me2Si(η5-C5Me4)(.et.5-C5H4))ZrMe][MeB(C6F5)3] is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

442689-91-0

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442689-91-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 442689-91-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,2,6,8 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 442689-91:
(8*4)+(7*4)+(6*2)+(5*6)+(4*8)+(3*9)+(2*9)+(1*1)=180
180 % 10 = 0
So 442689-91-0 is a valid CAS Registry Number.

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