103686-55-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103686-55-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,6,8 and 6 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 103686-55:
(8*1)+(7*0)+(6*3)+(5*6)+(4*8)+(3*6)+(2*5)+(1*5)=121
121 % 10 = 1
So 103686-55-1 is a valid CAS Registry Number.
103686-55-1Relevant articles and documents
Synthetic method of OLED material intermediate benzoyl pyrimidine compound
-
Paragraph 0138; 0143, (2018/07/15)
The invention discloses a synthetic method of an OLED material intermediate benzoyl pyrimidine compound. The synthetic method comprises the following steps: mixing alkali, a solvent I as well as substituent acetophenone and oxalic acid diester which are u