121567-69-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121567-69-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,5,6 and 7 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 121567-69:
(8*1)+(7*2)+(6*1)+(5*5)+(4*6)+(3*7)+(2*6)+(1*9)=119
119 % 10 = 9
So 121567-69-9 is a valid CAS Registry Number.
121567-69-9Relevant articles and documents
SYNTHESIS OF 1,3,4,5-SUBSTITUTED 1,3-DIHYDRO-2H-IMIDAZOL-2-ONES
Lozanova, Kh.,Kalcheva, V.,Simov, D.
, p. 1129 - 1130 (1988)
It was shown that 3-(1-methyl-2-oxopropyl)-2-benzoxazolones react with primary amines to form the corresponding 1,3-dihydro-2H-imidazol-2-ones in good yields.
