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Benzene, 1-methyl-4-[(1-phenyl-3-butenyl)sulfinyl]- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

667447-34-9

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667447-34-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 667447-34-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,7,4,4 and 7 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 667447-34:
(8*6)+(7*6)+(6*7)+(5*4)+(4*4)+(3*7)+(2*3)+(1*4)=199
199 % 10 = 9
So 667447-34-9 is a valid CAS Registry Number.

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