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57507-83-2

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57507-83-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57507-83-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,5,0 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 57507-83:
(7*5)+(6*7)+(5*5)+(4*0)+(3*7)+(2*8)+(1*3)=142
142 % 10 = 2
So 57507-83-2 is a valid CAS Registry Number.

57507-83-2Upstream product

57507-83-2Relevant articles and documents

Azole derivatives

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, (2008/06/13)

Azole derivatives of the formula SPC1 Wherein R1 is free or esterified carboxyl or other functionally modified carboxyl group, R2 and R3 each are aryl; A is Cn H2n in which n is an integer from 1 to 10, inclusive; and Z is O or S; and the physiologically acceptable salts thereof, possess, with good compatibility, excellent antiphlogistic activity and, in particular, influence favorably the chronic progressive diseases of the joints, e.g., arthritis. They can be prepared from compounds of the formula SPC2 Wherein X1 is a group convertible into the group --S--A--R1, and R2 and R3 have the values given above.

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