121936-57-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121936-57-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,9,3 and 6 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 121936-57:
(8*1)+(7*2)+(6*1)+(5*9)+(4*3)+(3*6)+(2*5)+(1*7)=120
120 % 10 = 0
So 121936-57-0 is a valid CAS Registry Number.
121936-57-0Relevant articles and documents
Syntheses of the Saturated Analogues of 4-Nitrophenol and 4-Nitroaniline
Janda, Kim D.,Ashley, Jon A.
, p. 1073 - 1082 (2007/10/02)
Two syntheses for 4-nitrocyclohexanol and 4-nitrocyclohexanamine are presented.Both conveniently start from commercially available 4-aminocyclohexanol.
