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13497-39-7

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13497-39-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13497-39-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,4,9 and 7 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 13497-39:
(7*1)+(6*3)+(5*4)+(4*9)+(3*7)+(2*3)+(1*9)=117
117 % 10 = 7
So 13497-39-7 is a valid CAS Registry Number.

13497-39-7Downstream Products

13497-39-7Relevant articles and documents

Five- and Six-Membered Cyclic Phosphonic Diamides, Thioester-amides and Spirobi

Neidlein, Richard,Buseck, Stephan

, p. 2520 - 2530 (2007/10/02)

By reaction of the 1,2-diaminobenzene derivatives 1a-d with the phosphonyl dichlorides 2a-g, the 1,3-dihydro-1,3,2-benzodiazaphosphol-2-ones 4a-q are obtained.The phosphonoyl dichlorides 2a-e, 2g, and 2h yield with naphthalene-1,8-diamines (5) the diazaph

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