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17952-72-6

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17952-72-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17952-72-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,9,5 and 2 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 17952-72:
(7*1)+(6*7)+(5*9)+(4*5)+(3*2)+(2*7)+(1*2)=136
136 % 10 = 6
So 17952-72-6 is a valid CAS Registry Number.

17952-72-6Downstream Products

17952-72-6Relevant articles and documents

A rapid, mild, efficient, and solvent-free Friedel-Crafts acylation of N-acetyltetrahydroharmine

Begum, Sabira,Hassan, Syed Imran,Siddiqui, Bina S.

, p. 23 - 39 (2005)

The first solid-phase, rapid, and mild synthesis of 10-acyl and 12-acyl analogues of N-acetyltetrahydroharmine by Friedel-Crafts acylation has been developed. The products were obtained in high overall yields. The method also results in the high-yield synthesis of natural product jafrine.

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