217816-14-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 217816-14-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,7,8,1 and 6 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 217816-14:
(8*2)+(7*1)+(6*7)+(5*8)+(4*1)+(3*6)+(2*1)+(1*4)=133
133 % 10 = 3
So 217816-14-3 is a valid CAS Registry Number.
217816-14-3Relevant articles and documents
Catalytic synthesis method of 1,3-dicarbonyl compounds
-
Paragraph 0025; 0026; 0028; 0029; 0030; 0031; 0032, (2019/01/07)
The invention discloses a catalytic synthesis method of 1,3-dicarbonyl compounds. According to the catalytic synthesis method, with the participation of sodium carbonate, aniline compounds and ethyl bromide difluoroacetate are subjected to defluorination
