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179691-22-6

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179691-22-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 179691-22-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,9,6,9 and 1 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 179691-22:
(8*1)+(7*7)+(6*9)+(5*6)+(4*9)+(3*1)+(2*2)+(1*2)=186
186 % 10 = 6
So 179691-22-6 is a valid CAS Registry Number.

179691-22-6Relevant articles and documents

Photolabile protecting groups for nucleosides: Synthesis and photodeprotection rates

Hasan, Ahmad,Stengele, Klaus-Peter,Giegrich, Heiner,Cornwell, Paul,Isham, Kenneth R.,Sachleben, Richard A.,Pfleiderer, Wolfgang,Foote, Robert S.

, p. 4247 - 4264 (1997)

o-Nitrobenzyloxycarbonyl and a number of related groups have been tested for the photolabile protection of nucleoside 5'-hydroxyls. The rates of photodeprotection were found to vary by approximately 17-fold in a series of 5'-O-protected thymidine derivati

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