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132629-79-9

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132629-79-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 132629-79-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,6,2 and 9 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 132629-79:
(8*1)+(7*3)+(6*2)+(5*6)+(4*2)+(3*9)+(2*7)+(1*9)=129
129 % 10 = 9
So 132629-79-9 is a valid CAS Registry Number.

132629-79-9Relevant articles and documents

Intramolecular Hetero Diels-Alder Reaction of 1-Thiabutadienes, 1-Aryl-3-propene-1-thiones and 2--3,4-dihydronaphthalene-1(2H)-thiones

Saito, Takao,Nagashima, Masumi,Karakasa, Takayuki,Motoki, Shinichi

, p. 1665 - 1667 (2007/10/02)

α,β-Unsaturated thioketones 4, 5 and 9, which are formed in situ by thionation of the corresponding ketones, undergo intramolecular hetero Diels-Alder reactions with high regio- and diastereo-selectivities (trans/cis) to give dihydrothiopyran-fused cycloadducts 6, 7 and 10.

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