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tert-Butyl-((2S,3S,4S,6S)-6-fluoro-4-methoxy-2-methyl-tetrahydro-pyran-3-yloxy)-dimethyl-silane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

90670-40-9

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90670-40-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90670-40-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,6,7 and 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 90670-40:
(7*9)+(6*0)+(5*6)+(4*7)+(3*0)+(2*4)+(1*0)=129
129 % 10 = 9
So 90670-40-9 is a valid CAS Registry Number.

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