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1228297-54-8

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1228297-54-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1228297-54-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,8,2,9 and 7 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1228297-54:
(9*1)+(8*2)+(7*2)+(6*8)+(5*2)+(4*9)+(3*7)+(2*5)+(1*4)=168
168 % 10 = 8
So 1228297-54-8 is a valid CAS Registry Number.

1228297-54-8Relevant articles and documents

Synthesis of substituted tetrahydrofurans via intermolecular reactions of γ-chlorocarbanions of 3-substituted 3-chloro-propylphenyl sulfones with aldehydes

Brandt, Agnieszka,Wojtasiewicz, Anna,?niezek, Marcin,Makosza, Mieczys?aw

experimental part, p. 3378 - 3385 (2010/06/20)

Carbanions of 3-substituted-3-chloropropyl phenyl sulfones add to carbonyl groups of aldehydes to produce aldol type adducts that undergo 1,5-intramolecular substitution giving 2,3,5-trisubstituted tetrahydrofurans. The effect of substituents in the 3-pos

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