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[1-[2',5'-bis-O-(tert-butyldimethylsilyl)-β-D-ribofuranosyl]thymine]-3'-spiro-5''-(4''-amino-3''-iodo-1'',2''-oxathiole-2'',2''-dioxide) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

307953-57-7

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307953-57-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 307953-57-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,7,9,5 and 3 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 307953-57:
(8*3)+(7*0)+(6*7)+(5*9)+(4*5)+(3*3)+(2*5)+(1*7)=157
157 % 10 = 7
So 307953-57-7 is a valid CAS Registry Number.

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