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139285-01-1

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139285-01-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139285-01-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,2,8 and 5 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 139285-01:
(8*1)+(7*3)+(6*9)+(5*2)+(4*8)+(3*5)+(2*0)+(1*1)=141
141 % 10 = 1
So 139285-01-1 is a valid CAS Registry Number.

139285-01-1Relevant articles and documents

Diels-Alder Reaction of (E)-4-(2-Nitroethenyl)-1H-imidazoles and Methyl (E)-3-(1-Imidazol-4-yl)propenoates

Kosaka, Keigo,Maruyama, Kazumi,Nakamura, Haruko,Ikeda, Masazumi

, p. 1941 - 1944 (2007/10/02)

Diels-Alder reaction of methyl (E)-3-(1H-imidazol-4-yl)propenoates 2, 3a-c and (E)-4-(2-nitroethenyl)-1H-imidazoles 3d,e with 2,3-dimethyl-1,3-butadiene, cyclopentadiene, and cyclohexa-1,3-diene gave the corresponding cycloadducts 6-9.

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