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129254-37-1

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129254-37-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129254-37-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,2,5 and 4 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 129254-37:
(8*1)+(7*2)+(6*9)+(5*2)+(4*5)+(3*4)+(2*3)+(1*7)=131
131 % 10 = 1
So 129254-37-1 is a valid CAS Registry Number.

129254-37-1Downstream Products

129254-37-1Relevant articles and documents

6-Demethyl-6-halo- and 6-Demethyl-6-thiomitomycins: Synthesis of Novel Mitomycin Derivatives Involving a Tandem Michael Addition/Retro-Mannich Reaction Sequence

Arai, Hitoshi,Kasai, Masaji

, p. 1087 - 1094 (2007/10/02)

Synthesis of novel 6-demethyl-6-halomitomycins (3, 4, 6, and 7) and 6-demethyl-6-thiomytomycins (5 and 8) is described from key intermediates, namely, 6-demethyl-7,7-(ethylenedioxy)-6,6-dihalo-6,7-dihydromitosanes (18 and 19) and 6-demethyl-7,7-(ethylenedioxy)-6,7-dihydro-6-thiomitosane (20), respectively.Compounds 18-20 were prepared through a tandem Michael addition and a retro-Mannich reaction sequence (N-halosucinimide or cationic arylsulfenyl species in the presence of Et2NH) on 10.

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