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107196-99-6

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107196-99-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 107196-99-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,1,9 and 6 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 107196-99:
(8*1)+(7*0)+(6*7)+(5*1)+(4*9)+(3*6)+(2*9)+(1*9)=136
136 % 10 = 6
So 107196-99-6 is a valid CAS Registry Number.

107196-99-6Relevant articles and documents

Synthesis of 1,2,4-Benzothiadiazines via Readily Generated Iminium Ions

Alo, Babajide I.,Adegoke, Emmanuel A.,Ligali-Ali, Mamoudou,Adesogan, E. Kayode

, p. 805 - 808 (2007/10/02)

A general method for the regiospecific synthesis of 1,2,4-benzothiadiazines, which are powerful diuretics and antihypertensive agents, has been developed.The N-arylsulphonylprolyl chlorides (5)-(7) reacted instantaneously with silver trifluoromethanesulphonate at room temperature to give the iminium salts (9)-(11) which provided the nitroamines (13)-(15) in quantitative yield.Reductive cyclisation of the nitroamines led to the tetrahydro-1H-pyrrolobenzothiadiazine 5,5-dioxide (17)-(20) in very good yields.No optimisation of yields was attempted. Efficient methods for the synthesis of some new substituted N-(nitrobenzenesulphonyl)-pyrrolidinecarboxulic acids (1)-(4), which were not readily available, are also described.

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