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131548-09-9

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131548-09-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131548-09-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,5,4 and 8 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 131548-09:
(8*1)+(7*3)+(6*1)+(5*5)+(4*4)+(3*8)+(2*0)+(1*9)=109
109 % 10 = 9
So 131548-09-9 is a valid CAS Registry Number.

131548-09-9Downstream Products

131548-09-9Relevant articles and documents

REACTION OF 2-AMINO-5-ARYL-1,3,4-OXADIAZOLES WITH COMPOUNDS WITH ACTIVATED DOUBLE BONDS

Alekseeva, V. Ya.,Viktorovskii, I. V.,Yakovlev, S. I.,V'yunov, K. A.

, p. 689 - 693 (2007/10/02)

The reaction of 2-amino-5-aryl-1,3,4-oxadiazoles with unsaturated acids and their chlorides was studied.It was shown by IR spectroscopy and mass spectrometry that acylation with acrylic, methacrylic, and cinnamic acid chlorides takes place at the nitrogen

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