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(S)-(tert-Butyl-dimethyl-silanyloxy)-[(2S,4R,5R,6S)-4-(tert-butyl-dimethyl-silanyloxy)-5-methyl-6-((E)-propenyl)-tetrahydro-pyran-2-yl]-acetaldehyde is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

321995-05-5

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321995-05-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 321995-05-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,1,9,9 and 5 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 321995-05:
(8*3)+(7*2)+(6*1)+(5*9)+(4*9)+(3*5)+(2*0)+(1*5)=145
145 % 10 = 5
So 321995-05-5 is a valid CAS Registry Number.

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