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661471-90-5

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661471-90-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 661471-90-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,1,4,7 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 661471-90:
(8*6)+(7*6)+(6*1)+(5*4)+(4*7)+(3*1)+(2*9)+(1*0)=165
165 % 10 = 5
So 661471-90-5 is a valid CAS Registry Number.

661471-90-5Downstream Products

661471-90-5Relevant articles and documents

Synthesis of 2′-O-[(triisopropylsilyl)oxy]methyl (=tom)-protected ribonucleoside phosphoramidites containing various nucleobase analogues

Porcher, Sebastien,Pitsch, Stefan

, p. 2683 - 2704 (2007/10/03)

The first results of a study aiming at an efficient preparation of a large variety of 2′-O-[(triisopropylsilyl)oxy]methyl(=tom)-protected ribonucleoside phosphoramidite building blocks containing modified nucleobases are reported. All of the here presente

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