77800-32-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77800-32-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,8,0 and 0 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 77800-32:
(7*7)+(6*7)+(5*8)+(4*0)+(3*0)+(2*3)+(1*2)=139
139 % 10 = 9
So 77800-32-9 is a valid CAS Registry Number.
77800-32-9Relevant articles and documents
SYNTHESES OF 3-NITRO-2-PYRIDINESULFENATES
Matsueda, Rei,Kaiser, Emil Thomas
, p. 1089 - 1092 (2007/10/02)
In the presence of tertiary amine under anhydrous conditions 3-nitro-2-pyridinesulfenyl (Npys) chloride reacts smoothly with hydroxy compounds, including various alcohols and hydroxy acids, to give the coresponding sulfenates.