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83773-07-3

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83773-07-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83773-07-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,7,7 and 3 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 83773-07:
(7*8)+(6*3)+(5*7)+(4*7)+(3*3)+(2*0)+(1*7)=153
153 % 10 = 3
So 83773-07-3 is a valid CAS Registry Number.

83773-07-3Downstream Products

83773-07-3Relevant articles and documents

Synthesis of 2-Substituted 3-Aryl/Heteroaryl-2,3,3a,10-tetrahydro-4-methylpyrazolobenzodiazepines

El-Shafei, A. K.,El-Kashef, H. S.,El-Khawaga, A. M.

, p. 655 - 657 (2007/10/02)

2,3-Dihydro-4-methyl-1H-1,5-benzodiazepin-2-one (1A) and its N-alkyl derivatives (1B,C) undergo condensation with nitroso compounds as well as with a series of aromatic aldehydes to afford 3-anils (2) and 3-arylidene derivatives (3), respectively.Compounds 3 react with hydrazine hydrate in glacial acetic acid or with phenylhydrazine in pyridine to furnish the title compounds (4).The UV-visible spectra of all the compounds in ethanol have been recorded and the absorption bands assigned.

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