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657403-47-9

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657403-47-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 657403-47-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,7,4,0 and 3 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 657403-47:
(8*6)+(7*5)+(6*7)+(5*4)+(4*0)+(3*3)+(2*4)+(1*7)=169
169 % 10 = 9
So 657403-47-9 is a valid CAS Registry Number.

657403-47-9Upstream product

657403-47-9Downstream Products

657403-47-9Relevant articles and documents

NEW CONJUGATED LINOLENIC ACIDS AND METHODS FOR COMMERCIAL PREPARATION AND PURIFICATION

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Page 21-22, (2008/06/13)

A method for the preparation and purification of conjugated linolenic acids is described. The method comprises blending a mixture of vegetable oils and or fats including various concentrations of alpha or gamma and or both linolenic acids with a base. The method transforms approximately over two thirds of α-linolenic acid (9Z,12Z,15Z-octadecatrienoic acid) into 9Z,11E,15Z-octadecatrienoic acid and 9Z,13E,15Z-octadecatrienoic acid. The method also transforms gamma-linolenic acid (6Z,9Z,12Z-octadecatrienoic acid) into 6Z,8E,15Z-octadeccatrienoic acid and 6Z,10E,12Z-octadecatrienoic acid. In all cases, geometrical isomers and fully conjugated isomers are also produced.

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