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133345-35-4

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133345-35-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133345-35-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,3,4 and 5 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 133345-35:
(8*1)+(7*3)+(6*3)+(5*3)+(4*4)+(3*5)+(2*3)+(1*5)=104
104 % 10 = 4
So 133345-35-4 is a valid CAS Registry Number.

133345-35-4Relevant articles and documents

A Convenient Synthesis of 5,14-Methano-16-oxo-1,5,6-benzoxadiazoninoquinoxalines Utilizing a 1,3-Dipolar Cycloaddition Reaction and an Intramolecular Alcoholysis

Kurasawa, Yoshihisa,Kim, Ho Sik,Katoh, Ritsuko,Kawano, Tae,Takada, Atsushi,Okamoto, Yoshihisa

, p. 787 - 792 (2007/10/02)

The reaction of the hydrazones 5a-c with 2-chloroacrylonitrile produced the 1,2-diazepinoquinoxaline hydrochlorides 6a-c, which were transformed into the 5,6,7,13-tetrahydro-5,14-methano-16-oxo-1,5,6-benzoxadiazoninoquinoxalines 7a-c, respec

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