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β-D-5'-O-tert-butyldimethylsilyl-N4,3'-O-bis(4-methoxytrityl)-2'-deoxycytidine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

250581-87-4

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250581-87-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 250581-87-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,0,5,8 and 1 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 250581-87:
(8*2)+(7*5)+(6*0)+(5*5)+(4*8)+(3*1)+(2*8)+(1*7)=134
134 % 10 = 4
So 250581-87-4 is a valid CAS Registry Number.

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