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1226804-63-2

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1226804-63-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1226804-63-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,6,8,0 and 4 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1226804-63:
(9*1)+(8*2)+(7*2)+(6*6)+(5*8)+(4*0)+(3*4)+(2*6)+(1*3)=142
142 % 10 = 2
So 1226804-63-2 is a valid CAS Registry Number.

1226804-63-2Relevant articles and documents

An efficient synthesis of 4-chloro-2-pyrrolino[2,3- d ]pyrimidin-6-one and its 7-substituted analogues

Vaid, Radhe K.,Spitler, Jeremy T.,Boini, Sathish,May, Scott A.,Hoying, Richard C.

, p. 2396 - 2400 (2012)

An efficient synthesis of 4-chloro-2-pyrrolino[2,3-d]pyrimidin-6-one was achieved in four steps starting from dimethyl malonate in 23% overall yield. This synthesis was demonstrated on 100 g scale to obtain 4-chloro-2-pyrrolino[2, 3-d]pyrimidin-6-one in 9

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