140652-68-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 140652-68-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,6,5 and 2 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 140652-68:
(8*1)+(7*4)+(6*0)+(5*6)+(4*5)+(3*2)+(2*6)+(1*8)=112
112 % 10 = 2
So 140652-68-2 is a valid CAS Registry Number.
140652-68-2Relevant articles and documents
Carbazoylations and thiocarbazoylations of 2-thioxo-thiazolidines
Hanefeld,Gosseln
, p. 173 - 175 (2007/10/02)
Reactions of thiazolidine-2-thione (1) with carbazic and thiocarbazic acid chlorides 5 lead to S-substitution products 6 which only in case of the carbazoic derivatives can be thermally rearranged to N-carbazoyl derivatives 7. Not rearrangeable heteroarom
