128627-52-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128627-52-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,6,2 and 7 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 128627-52:
(8*1)+(7*2)+(6*8)+(5*6)+(4*2)+(3*7)+(2*5)+(1*2)=141
141 % 10 = 1
So 128627-52-1 is a valid CAS Registry Number.
128627-52-1Relevant articles and documents
REACTION OF 2-AMINO-5-R-PHENYL-1,3,4-THIADIAZOLES WITH UNSATURATED ACIDS AND ACID CHLORIDES
Zubets, I. V.,Vergizov, S. N.,Viktorovskii, I. V.,V'yunov, K. A.
, p. 228 - 231 (2007/10/02)
Reaction of 2-amino-5-R-phenyl-1,3,4-thiadiazoles with unsaturated acids and acid chlorides in the presence of triethylamine takes place exclusively at the amino group to form 2-carboxyalkyl- and 2-acylamino-derivatives, respectively.
