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82893-74-1

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82893-74-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82893-74-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,8,9 and 3 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 82893-74:
(7*8)+(6*2)+(5*8)+(4*9)+(3*3)+(2*7)+(1*4)=171
171 % 10 = 1
So 82893-74-1 is a valid CAS Registry Number.

82893-74-1Relevant articles and documents

SYNTHESIS OF VICINALLY SUBSTITUTED CYCLOPENTENE DERIVATIVE VIA CYCLOADDITION OF METHYL(PHENYL(OR TERT-BUTYL)THIOMETHYL)KETENE

Ohshiro, Yoshiki,Ishida, Masaru,Shibata, Jun-ichi,Minami, Toru,Agawa, Toshio

, p. 587 - 590 (1982)

Cycloaddition of methyl(phenyl(or tert-butyl)thiomethyl)ketene to cyclopentadiene gave a bicyclic cyclobutanone derivative which was further transformed to cyclopentene systems having alkenyl and carbonyl substituents at vicinal positions.

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