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173936-20-4

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173936-20-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 173936-20-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,9,3 and 6 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 173936-20:
(8*1)+(7*7)+(6*3)+(5*9)+(4*3)+(3*6)+(2*2)+(1*0)=154
154 % 10 = 4
So 173936-20-4 is a valid CAS Registry Number.

173936-20-4Downstream Products

173936-20-4Relevant articles and documents

PREPARATION OF STEREOCHEMICALLY PURE OXIMES WITH MUSCARINIC ACTIVITY

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, (2008/06/13)

The instant invention is a selective formation of the Z-oxime and O-alkylation of 1-azabicyclo[2.2.1]heptan-3-one and 1-azabicyclo[2.2. 2] heptan-3-one oximes to produce compounds with muscarinic activity. The process is capable of scale-up for industrial purposes as it provides better yields and ease of preparation. Intermediates are also described.

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