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134935-57-2

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134935-57-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134935-57-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,9,3 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 134935-57:
(8*1)+(7*3)+(6*4)+(5*9)+(4*3)+(3*5)+(2*5)+(1*7)=142
142 % 10 = 2
So 134935-57-2 is a valid CAS Registry Number.

134935-57-2Relevant articles and documents

Synthesis of N1,4-Di(p-coumaroyl)spermine, a possible biogenetic precursor of aphelandrine

Veznik, Frantisek,Guggisberg, Armin,Hesse, Manfred

, p. 654 - 661 (2007/10/02)

Coupling of two differently substituted 1,3-diaminopropane units 5 and 6 (Schemes 1 and 2) lead to the key intermediate 8, a tetra-N-protected spermine derivative. By selective deprotection and alkylation with (E)-4-(mesy1oxy) cinnamoyl chloride, followed

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