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134691-95-5

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134691-95-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134691-95-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,6,9 and 1 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 134691-95:
(8*1)+(7*3)+(6*4)+(5*6)+(4*9)+(3*1)+(2*9)+(1*5)=145
145 % 10 = 5
So 134691-95-5 is a valid CAS Registry Number.

134691-95-5Relevant articles and documents

Palladium-catalysed addition of tin-tin and tin-silicon bonds to allenes

Mitchell, Terence N.,Schneider, Ulrich

, p. 319 - 327 (2007/10/02)

Hexamethyl-, hexaethyl- and hexabutyl-ditin add to a variety of allenes in the presence of Pd(PPh3)4; the reaction is reversible.Trimethylsilyltrimethyl- and -tributyl-stannane also add under comparable conditions, the silyl moiety becoming attached to the central carbon atom of the allene skeleton; this reaction is, however, apparently not reversible.

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