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38031-45-7

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38031-45-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 38031-45-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,0,3 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 38031-45:
(7*3)+(6*8)+(5*0)+(4*3)+(3*1)+(2*4)+(1*5)=97
97 % 10 = 7
So 38031-45-7 is a valid CAS Registry Number.

38031-45-7Relevant articles and documents

Synthesis of Some Conjugated Caradienes from 3-Carene by the Wittig Reaction and Their Reactivity in the Diels-Alder Reaction

Lajunen, Marja

, p. 13181 - 13198 (2007/10/02)

The applicability of the Wittig reaction for the preparation of conjugated cis-caradienes was studied by the preparation of 4-methyl-3(10)-carene (27).The method was applied for the study of the synthesis of 3-vinyl-3-apocarene (6), 4-methylene-3(10)-carene (7), 4-methyl-2-methylene-3(10)-carene (8), 4-isopropenyl-3-carene (9) and 4-isopropenyl-3-caren-2a-ol (11) starting from 3-carene (20).The reactivity of conjugated cis-caradienes 6,7 and 9 in the Diels-Alder reaction has also been studied.

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