3900-96-7 Usage
Chemical structure
A benzene ring with two hydroxyl (-OH) groups at the 1 and 4 positions, and a monobenzenesulfonate group attached to one of the hydroxyl groups.
Industrial applications
a. Developer in black and white photography.
b. Reducing agent in photographic developing solutions.
c. Skin-lightening agent in cosmetic products.
Safety concerns
Considered a skin irritant and should be handled with caution.
Check Digit Verification of cas no
The CAS Registry Mumber 3900-96-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,9,0 and 0 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 3900-96:
(6*3)+(5*9)+(4*0)+(3*0)+(2*9)+(1*6)=87
87 % 10 = 7
So 3900-96-7 is a valid CAS Registry Number.