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25056-05-7

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25056-05-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 25056-05-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,0,5 and 6 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 25056-05:
(7*2)+(6*5)+(5*0)+(4*5)+(3*6)+(2*0)+(1*5)=87
87 % 10 = 7
So 25056-05-7 is a valid CAS Registry Number.

25056-05-7Relevant articles and documents

CONJUGATE ADDITION OF GRIGNARD REAGENTS TO UNSATURATED KETONES: GC/MS-HPLC STUDY. ISOLATION AND OXIDATION OF E AND Z ENOLS OF A KETONE

Pinkus, A. G.,Logaraj, S.

, p. 6801 - 6806 (1988)

The conjugate addition of phenylmagnesium bromide to benzalacetomesitylene (1) was studied.The only product resulting from 1,4-addition was Kohler's ketone (4) in 84+/-1 percent yield based on (1) by isolation and analysis.The byproducts from 4 were forme

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