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134435-11-3

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134435-11-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134435-11-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,4,3 and 5 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 134435-11:
(8*1)+(7*3)+(6*4)+(5*4)+(4*3)+(3*5)+(2*1)+(1*1)=103
103 % 10 = 3
So 134435-11-3 is a valid CAS Registry Number.

134435-11-3Relevant articles and documents

Potential GABAB Receptor Antagonists. IV Synthesis of 1--3-oxo-1,3-dihydroisobenzofuran-1-ylphosphonic Acid

Janowski, Wit K.,Prager, Rolf H.

, p. 477 - 480 (2007/10/02)

The diastereoselective addition of dimethyl 3-oxo-1,3-hydroisobenzofuran-1-ylphosphonate to nitrostyrene and p-chloronitrostyrene is reported, as is the subsequent conversion of the Michael adducts into 1--3-oxo-1,3-dihydroisobenzofuran-1-ylphosphonic acid, and 1--3-oxo-1,3-dihydroisobenzofuran-1-ylphosphonic acid respectively.

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