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372076-36-3

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372076-36-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 372076-36-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,7,2,0,7 and 6 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 372076-36:
(8*3)+(7*7)+(6*2)+(5*0)+(4*7)+(3*6)+(2*3)+(1*6)=143
143 % 10 = 3
So 372076-36-3 is a valid CAS Registry Number.

372076-36-3Relevant articles and documents

Synthesis and mechanistic study of fused 2-pyrrolines via thermolysis of 6-substituted-3,5-hexadienyl azidoformates

Wu,Chung,Chou

, p. 6585 - 6594 (2007/10/03)

Thermolysis of 3,5-hexadienyl azidoformates at 300 °C, 0.05 Torr, led to a fused 2-pyrroline regiospecifically, regardless of the configuration E or Z between the C-3 and C-4 double bond. Thermolysis of 6-substituted-3,5(E)-hexadienyl azidoformates yielded a kinetically controlled 2-pyrroline with cis configuration between H-1 and H-8a whereas 6-substituted-3,5(Z)-hexadienyl azidoformates produced a cis and trans mixture. The mechanism was proposed as the loss of nitrogen to form an acyl nitrene, then addition to a double bond to produce an aziridine. Finally the cleavage of the C-C bond generated a vinylazomethine ylide followed by recyclization to a fused 2-pyrroline.

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