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1,3,7-trimethyl-5-methylthiopyrimido<4,5-b>quinoline-2,4(1H,3H)-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

77603-07-7

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77603-07-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77603-07-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,6,0 and 3 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 77603-07:
(7*7)+(6*7)+(5*6)+(4*0)+(3*3)+(2*0)+(1*7)=137
137 % 10 = 7
So 77603-07-7 is a valid CAS Registry Number.

77603-07-7Relevant academic research and scientific papers

A NEW SYNTHESIS OF PYRIMIDOQUINOLINE-2,4-(1H,3H)-DIONES BY REACTION OF 6-ARYLAMINO-1,3-DIMETHYLURACILS WITH CARBON DISULFIDE

Tominaga, Yoshinori,Okuda, Hiroto,Tochiki, Mutushi,Matsuda, Yoshiro,Kobayashi, Goro

, p. 679 - 683 (2007/10/02)

Reaction of 6-arylaminouracils (I) with carbon disulfide in the presence of sodium hydroxide and subsequent methylation with dimethyl sulfate gave the corresponding 1,3-dimethyl-5-methylthiopyrimidoquinoline-2,4(1H,3H)-diones (II).Raney-nickel desu

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