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122617-24-7

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122617-24-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 122617-24-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,2,6,1 and 7 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 122617-24:
(8*1)+(7*2)+(6*2)+(5*6)+(4*1)+(3*7)+(2*2)+(1*4)=97
97 % 10 = 7
So 122617-24-7 is a valid CAS Registry Number.

122617-24-7Relevant articles and documents

Highly Heteroatom-dependent ?-Facial Stereoselectivity in the Diels-Alder Reaction of 1,3-Cyclopentadienes Having a Heteroatom Substituent at 5-Position

Ishida, Masaru,Aoyama, Takamichi,Kato, Shinzi

, p. 663 - 666 (1989)

5-Phenylthio-1,3-cyclopentadiene reacted with maleic anhydride to give a 4:6 mixture of syn- and anti-attack adducts.In contrast, the selenium isologue, 5-phenylseleno-1,3-cyclopentadiene reacted with dienophiles with remarkable anti-?-facial selectivity

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