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1311972-67-4

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1311972-67-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1311972-67-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,1,9,7 and 2 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1311972-67:
(9*1)+(8*3)+(7*1)+(6*1)+(5*9)+(4*7)+(3*2)+(2*6)+(1*7)=144
144 % 10 = 4
So 1311972-67-4 is a valid CAS Registry Number.

1311972-67-4Relevant articles and documents

METHODS FOR THE PURIFICATION OF DEOXYCHOLIC ACID

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Page/Page column 72-73, (2011/07/07)

Synthetic methods for preparing deoxycholic acid and intermediates thereof, high purity synthetic deoxycholic acid, compositions and methods of use are provided. Also, provided are processes for the synthesis of 12-keto or 12-α-hydroxysteroids from Δ-9,11-ene, 11-keto or 11-hydroxy-β-steroids. This invention is also directed to novel compounds prepared during the synthesis. This invention is also directed to the synthesis of deoxycholic acid starting from hydrocortisone.

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