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16196-83-1

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16196-83-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 16196-83-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,1,9 and 6 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 16196-83:
(7*1)+(6*6)+(5*1)+(4*9)+(3*6)+(2*8)+(1*3)=121
121 % 10 = 1
So 16196-83-1 is a valid CAS Registry Number.

16196-83-1Upstream product

16196-83-1Relevant articles and documents

Synthesis of N-substituted 7β-diprenorphine derivatives

Marton,Miklos,Hosztafi,Makleit

, p. 829 - 848 (1995)

The separation of thevinone (2a) and β-thevinone (2b), as well as that of dihydrothevinone (3a) and β-dihydrothevinone (3b) was accomplished. By the application of various procedures numerous new N-substituted Diprenorphine analogues (8a-f) with 7R absolute configuration were synthesized. Detailed pharmacological investigation of the prepared compounds may contribute to a better understanding of the structure-activity relationship of morphine alkaloids.

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