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6439-96-9

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6439-96-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6439-96-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,3 and 9 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 6439-96:
(6*6)+(5*4)+(4*3)+(3*9)+(2*9)+(1*6)=119
119 % 10 = 9
So 6439-96-9 is a valid CAS Registry Number.

6439-96-9Downstream Products

6439-96-9Relevant articles and documents

Studies on Mesoionic Compounds. Part 11. Alkylation of 5-Acylamino-1,2,3-thiadiazoles

Masuda, Katsutada,Adachi, Jun,Nate, Hiroyuki,Takahata, Hidenobu,Nomura, Keiichi

, p. 1591 - 1595 (2007/10/02)

The alkylations of 5-acylamino-1,2,3-thiadiazoles (4) have been investigated; the N-3 position is preferably alkylated forming new mesoionic heterocycles (5) and (10).The mesoionic 1,2,3-thiadiazolium-5-alkoxy- and -5-aryloxy-carbonylaminides are converte

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