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76952-21-1

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76952-21-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 76952-21-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,9,5 and 2 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 76952-21:
(7*7)+(6*6)+(5*9)+(4*5)+(3*2)+(2*2)+(1*1)=161
161 % 10 = 1
So 76952-21-1 is a valid CAS Registry Number.

76952-21-1Relevant articles and documents

A NEW SYNTHESIS OF FERVENULINS AND ALLOXAZINES. THERMOLYSIS AND PHOTOLYSIS OF 6-AZIDO-1,3-DIMETHYLURACIL WITH TETRAZOLES AND BENZOTRIAZOLES

Hirota, Kosaku,Maruhashi, Kazuo,Asao, Tetsuji,Senda, Shigeo

, p. 285 - 288 (2007/10/02)

Thermolysis of 6-azido-1,3-dimethyluracil(1) in the presence of 5-substituted tetrazoles(2) gave 3-substituted fervenulins(4), which were also synthesized from the intermediates(3) prepared by photolysis of (1) with (2).Irradiation of (1) with benzotriazoles(6) in tetrahydrofuran gave 6-(benzotriazol-1-yl)uracils(7), which were irradiated in methanol to afford alloxazines (8).

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