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143287-26-7

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143287-26-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143287-26-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,2,8 and 7 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 143287-26:
(8*1)+(7*4)+(6*3)+(5*2)+(4*8)+(3*7)+(2*2)+(1*6)=127
127 % 10 = 7
So 143287-26-7 is a valid CAS Registry Number.

143287-26-7Downstream Products

143287-26-7Relevant articles and documents

Reaction of unsaturated azlactones with sulfur nucleophiles: some observations

Mukerjee, Arya K.,Rao, Laxmi,Homami, Seyed Saied,Joseph, Kiran

, p. 1383 - 1387 (2007/10/02)

Unsaturated azlactones undergo thiolysis with toluene-α-thiol, but 2-substituted (Z)-4-o-acetoxybenzylidene-4,5-dihydrooxazol-5-ones form 3-acylaminocoumarins in the presence of triethylamine.Sodium sulfide in ethanol brings about ethanolysis of the 1,5 b

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