452077-39-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 452077-39-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,2,0,7 and 7 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 452077-39:
(8*4)+(7*5)+(6*2)+(5*0)+(4*7)+(3*7)+(2*3)+(1*9)=143
143 % 10 = 3
So 452077-39-3 is a valid CAS Registry Number.
452077-39-3Relevant articles and documents
Preparation technology of 6-hydroxy-bentazone
-
, (2017/08/28)
The invention discloses a preparation technology of 6-hydroxy-3-isopropyl-1H-benzo[c][1,2,6]thiadiazine-4(3H)-keto-2,2-dioxide. The preparation technology includes subjecting 5-chloro-2-nitrobenzoic acid serving as a raw material to hydrolysis reaction an