85277-21-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 85277-21-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,2,7 and 7 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 85277-21:
(7*8)+(6*5)+(5*2)+(4*7)+(3*7)+(2*2)+(1*1)=150
150 % 10 = 0
So 85277-21-0 is a valid CAS Registry Number.
85277-21-0Relevant articles and documents
Reaction of Methylene Active Nitriles and Cyanamide with Acylated Enamines
Gewald, K.,Schaefer, H.,Bellmann, P.
, p. 933 - 941 (2007/10/02)
The addition products from enamines onto isocyanates and isothiocyanates, i.e. substituted β-aminoacrylo amides 1 and thioamides 2, react with malononitrile to yield the 6-amino-1-aryl-5-cyano-pyridin-2-ones 3 and -thiones 4 among them 5,6,7,8-tetrahydroi
