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56697-99-5

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56697-99-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 56697-99-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,6,9 and 7 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 56697-99:
(7*5)+(6*6)+(5*6)+(4*9)+(3*7)+(2*9)+(1*9)=185
185 % 10 = 5
So 56697-99-5 is a valid CAS Registry Number.

56697-99-5Relevant articles and documents

A versatile preparation of alpha,beta-unsaturated lactones from homoallylic alcohols.

Keck,Li,Knutson

, p. 411 - 413 (1999)

[formula: see text] A new method for the synthesis of alpha,beta-unsaturated lactones from beta-acetoxy aldehydes by reaction with the lithium enolate of methyl acetate was developed. The reaction is relatively insensitive to structural changes in the ald

Antianaphylactic agents. 1. 2-(Acylamino)oxazoles

Ross,Harrison,Jolley,Neville,Todd,Verge,Dawson,Sweatman

, p. 412 - 417 (2007/10/08)

The synthesis and biological properties of 35 2-(acylamino)oxazoles are described. The majority of the compounds inhibit the release of slow-reacting substance of anaphylaxis (SRS-A) in vitro from sensitized guinea pig chopped lung. In addition, several of the compounds inhibited the release of SRS-A from passively sensitized human chopped lung and protected guinea pigs from the effects of anaphylaxis in a modified Herxheimer test.

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