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O,O-Bis-(triethylsilyl)-phenylphosphonothioat is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

27271-99-4

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27271-99-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 27271-99-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,2,7 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 27271-99:
(7*2)+(6*7)+(5*2)+(4*7)+(3*1)+(2*9)+(1*9)=124
124 % 10 = 4
So 27271-99-4 is a valid CAS Registry Number.

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