12135-77-2 Usage
General Description
Ammonium sulfide, also known as diammonium sulfide, is a yellowish-brown, water-soluble, strongly odorous chemical compound with the formula (NH4)2S. It is a composition of ammonium and sulfide ions. It exists predominantly as a colorless gas or solution with a distinct rotten egg odor due to hydrogen sulfide. Serving as a reducing agent, this chemical is primarily utilized in photographic developing, as a source of ammonium in soil testing, and in textiles. Though not highly toxic, exposure to ammonium sulfide can cause irritation in the eyes, skin, and respiratory tract.
Check Digit Verification of cas no
The CAS Registry Mumber 12135-77-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,1,3 and 5 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 12135-77:
(7*1)+(6*2)+(5*1)+(4*3)+(3*5)+(2*7)+(1*7)=72
72 % 10 = 2
So 12135-77-2 is a valid CAS Registry Number.
InChI:InChI=1/2H3N.5S/h2*1H3;;;;;/q;;5*-2/p+2