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13432-42-3

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13432-42-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13432-42-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,4,3 and 2 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 13432-42:
(7*1)+(6*3)+(5*4)+(4*3)+(3*2)+(2*4)+(1*2)=73
73 % 10 = 3
So 13432-42-3 is a valid CAS Registry Number.

13432-42-3Downstream Products

13432-42-3Relevant articles and documents

Cycloaddition of Diphenylcyclopropenone with Carboximidate, Carboximidamide, and Carboximidothioate

Yoshida, Hiroshi,Sogame, Shingo,Bando, Shoichi,Nakajima, Shosuke,Ogata, Tsuyoshi,Matsumoto, Kiyoshi

, p. 3849 - 3850 (1983)

The reaction of diphenylcyclopropenone with R1N=C(R2)X (2) (R1, R2=alkyl, aryl, X=MeO, EtO, MeS, or Me2N) gave 2-pyrrolin-4-one (3) in good yield.The less reactive carboximidothioate (2, R1=4-MeC6H4, R2=Ph, X=MeS) yielded isomeric 3-pyrrolin-2-one together with 3.

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