100890-43-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100890-43-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,8,9 and 0 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 100890-43:
(8*1)+(7*0)+(6*0)+(5*8)+(4*9)+(3*0)+(2*4)+(1*3)=95
95 % 10 = 5
So 100890-43-5 is a valid CAS Registry Number.
100890-43-5Relevant articles and documents
A facile synthesis of 3-aryl-5-cyano-6-methylthiopyrimidine-2, 4-diones
Liu, Huayin,Yang, Guangfu,Chen, Kai,Yang, Huazheng
, p. 3143 - 3147 (1999)
Novel derivatives of 3-aryl-5-cyano-6-methylthiopyrimidine-2,4-diones were synthesized, under mild conditions, by the reaction of ethyl 2-cyano- 3,3'dimethylthioacrylate with arylureas.