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683277-83-0

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683277-83-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 683277-83-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,3,2,7 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 683277-83:
(8*6)+(7*8)+(6*3)+(5*2)+(4*7)+(3*7)+(2*8)+(1*3)=200
200 % 10 = 0
So 683277-83-0 is a valid CAS Registry Number.

683277-83-0Relevant articles and documents

Highly efficient synthesis of medium-sized lactams via intramolecular Staudinger-aza-Wittig reaction of ω-azido pentafluorophenyl ester: Synthesis and biological evaluation of LY411575 analogues

Fuwa, Haruhiko,Okamura, Yumiko,Morohashi, Yuichi,Tomita, Taisuke,Iwatsubo, Takeshi,Kan, Toshiyuki,Fukuyama, Tohru,Natsugari, Hideaki

, p. 2323 - 2326 (2007/10/03)

A highly efficient method for the synthesis of medium-sized lactams based on intramolecular Staudinger-aza-Wittig reaction of ω-azido pentafluorophenyl ester has been developed. A variety of 7-10 membered lactams were synthesized in excellent yields. Appl

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