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19848-98-7

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19848-98-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19848-98-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,8,4 and 8 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 19848-98:
(7*1)+(6*9)+(5*8)+(4*4)+(3*8)+(2*9)+(1*8)=167
167 % 10 = 7
So 19848-98-7 is a valid CAS Registry Number.

19848-98-7Relevant articles and documents

A New Synthetic Approach to Pyrazolo[3,4-c]-1,2,5-oxadiazoles

Baraldi, Pier Giovanni,Pineda de las Infantas, Maria J.,Manfredini, Stefano,Romagnoli, Romano

, p. 72 - 74 (2000)

4-Aryl-substituted-6-methyl-4H-pyrazolo[3,4-c]-1,2,5-oxadiazoles 15-21 were easily obtained through the oxidation reaction mediated by lead(IV) acetate of 5-methyl-4-nitroso-2-phenyl-2H-pyrazol-3-ylamines 8-14 in 88-97 percent yields.

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