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80389-23-7

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80389-23-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80389-23-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,3,8 and 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 80389-23:
(7*8)+(6*0)+(5*3)+(4*8)+(3*9)+(2*2)+(1*3)=137
137 % 10 = 7
So 80389-23-7 is a valid CAS Registry Number.

80389-23-7Downstream Products

80389-23-7Relevant articles and documents

Regioselectivity control in a Diels-Alder reaction of a surfactant 1,3- diene with a surfactant dienophile

Jaeger, David A.,Su, Dan

, p. 257 - 260 (1999)

The Diels-Alder reaction of surfactant 1,3-diene 1 and surfactant dienophile 2 within aqueous mixed micelles at 25°C gave a 6.6:1 ratio of cycloadducts 11 and 12, and that of nonsurfactant analogues 10 and 13 in C6H5Me at 75(85) °C gave a 1:l ratio of cycloadducts 14 and 15. The regioselectivity of the reaction of 1 and 2 was controlled by their alignment at the mixed micelle-H2O interface.

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