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163889-39-2

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163889-39-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 163889-39-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,3,8,8 and 9 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 163889-39:
(8*1)+(7*6)+(6*3)+(5*8)+(4*8)+(3*9)+(2*3)+(1*9)=182
182 % 10 = 2
So 163889-39-2 is a valid CAS Registry Number.

163889-39-2Relevant articles and documents

Regioselective protection of the 2'-hydroxyl group of N-acyl-3',5'-O-di(t-butyl)silanediylnucleoside derivatives by use of t-BuMgCl and 2-(trimethylsilyl)ethoxymethyl chloride

Wada,Tobe,Nagayama,Furusawa,Sekine

, p. 1683 - 1684 (2007/10/02)

Regioselective 2'-O-protection of N-protected 3',5'-O-di(t-butyl)silanediylribonucleoside derivatives with the 2-(trimethylsilyl)ethoxymethyl (SEM) group has been achieved by use of t-BuMgCl and 2-(trimethylsilyl)ethoxymethyl chloride. The former was used

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