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2,3,4,5,2',3',4',5'-octaphenyl-1H,1'H-1,1'-buta-1,3-diene-1t,4t-diyl-bis-phosphole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

34673-85-3

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34673-85-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 34673-85-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,6,7 and 3 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 34673-85:
(7*3)+(6*4)+(5*6)+(4*7)+(3*3)+(2*8)+(1*5)=133
133 % 10 = 3
So 34673-85-3 is a valid CAS Registry Number.
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