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151734-50-8

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151734-50-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 151734-50-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,1,7,3 and 4 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 151734-50:
(8*1)+(7*5)+(6*1)+(5*7)+(4*3)+(3*4)+(2*5)+(1*0)=118
118 % 10 = 8
So 151734-50-8 is a valid CAS Registry Number.

151734-50-8Relevant articles and documents

Truly catalytic and chemoselective cleavage of benzylidene acetal with phosphomolybdic acid supported on silica gel

Kumar, Ponminor Senthil,Kumar, Gaddale Devanna Kishore,Baskaran, Sundarababu

supporting information; scheme or table, p. 6063 - 6067 (2009/05/27)

Phosphomolybdic acid supported on silica gel provides a truly catalytic method for the chemoselective cleavage of benzylidene acetals having sensitive functional groups under mild conditions. It is easy to perform on large scale owing to minimal catalyst loading (0.5 mol-%). Several sensitive functional groups such as TBDPS ether, -OMs, -OAc, allyl ether, N-Boc, N-Fmoc and N-Cbz are stable under the reaction conditions. In addition, benzylidene acetal is selectively cleaved in the presence of isopropylidene ketal. Wiley-VCH Verlag GmbH & Co. KGaA, 2008.

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