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407619-25-4

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407619-25-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 407619-25-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,7,6,1 and 9 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 407619-25:
(8*4)+(7*0)+(6*7)+(5*6)+(4*1)+(3*9)+(2*2)+(1*5)=144
144 % 10 = 4
So 407619-25-4 is a valid CAS Registry Number.

407619-25-4Relevant articles and documents

Odorless substitutes for foul-smelling thiols: Syntheses and applications

Node, Manabu,Kumar, Kamal,Nishide, Kiyoharu,Ohsugi, Shin-Ichi,Miyamoto, Tetsuo

, p. 9207 - 9210 (2001)

Several alkanethiols and p-alkylphenylmethanethiols were synthesized, and their odors were compared with those of ethanethiol and benzyl mercaptan by human and instrumental sensors. Among the various thiols analyzed, 1-dodecanethiol (1) and p-heptylphenylmethanethiol (3) were revealed to be odorless. 1-Dodecanethiol (1) has been used instead of ethanethiol for dealkylation of ethers, and p-heptylphenylmethanethiol (3) can replace benzyl mercaptan in the preparation of a 1,3-mercapto alcohol from an α,β-unsaturated ketone. These odorless thiols will greatly improve the physical environment of the researcher working with these foul-smelling compounds.

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