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1428770-65-3

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1428770-65-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1428770-65-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,8,7,7 and 0 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1428770-65:
(9*1)+(8*4)+(7*2)+(6*8)+(5*7)+(4*7)+(3*0)+(2*6)+(1*5)=183
183 % 10 = 3
So 1428770-65-3 is a valid CAS Registry Number.

1428770-65-3Relevant articles and documents

A one-pot, three-component, microwave-promoted synthesis of 2-amino-substituted 7-amino-1,2,4-triazolo[1,5-a][1,3,5]triazines

Kalinina, Svetlana A.,Kalinin, Dmitrii V.,Dolzhenko, Anton V.

, p. 5537 - 5540 (2013/09/23)

A new, efficient, catalyst-free, one-pot, three-component method for the synthesis of 2-amino-substituted 7-amino-1,2,4-triazolo[1,5-a][1,3,5]triazines using 3,5-diamino-1,2,4-triazoles, cyanamide, and triethyl orthoformate is developed. The reaction proceeds smoothly under microwave-assisted heating. Advantages of the method include using easily available reagents, short reaction times, and operational simplicity.

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