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248957-54-2

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248957-54-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 248957-54-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,8,9,5 and 7 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 248957-54:
(8*2)+(7*4)+(6*8)+(5*9)+(4*5)+(3*7)+(2*5)+(1*4)=192
192 % 10 = 2
So 248957-54-2 is a valid CAS Registry Number.

248957-54-2Relevant articles and documents

Organoselenium-assisted route to conjugated dienoic macrolides. Synthesis of (Z)-dodec-3-en-12-olide, a pheromone of the flat grain beetle Cryptolestes pusillus (Coleoptera: Cucujidae)

Vasil'ev, Andrei A.,Engman, Lars,Serebryakov, Edward P.

, p. 611 - 615 (2007/10/03)

Oxidative elimination of the arylseleno group in (E)-2-(4-methoxyphenylseleno)dodec-4-en-12-olide gave (2Z,4E)-dodeca-2,4-diene-12-olide which on 1,4-cis-hydrogenation(η6-naphthalene)tricarbonylchromium afforded the title pheromone. (E)-2-(4-Me

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