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52039-37-9

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52039-37-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 52039-37-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,0,3 and 9 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 52039-37:
(7*5)+(6*2)+(5*0)+(4*3)+(3*9)+(2*3)+(1*7)=99
99 % 10 = 9
So 52039-37-9 is a valid CAS Registry Number.

52039-37-9Relevant articles and documents

Synthesis and Chemical Behaviour of 6-sec-Amino-1,3-thiazine-2-thiones

Schroth, Werner,Richter, Monika,Dobner, Bodo,Spitzner, Roland,Freitag, Sabine

, p. 463 - 476 (2007/10/02)

The title compounds 3 have been prepared by ring transformation reactions of the isomeric 2-sec-amino-1,3-thiazine-6-thiones 1 via ring-opening products 2 and by special cyclocondensation reactions with thiocarboxamides 8, and with iminium salts 10, start

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