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79429-03-1

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79429-03-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 79429-03-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,4,2 and 9 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 79429-03:
(7*7)+(6*9)+(5*4)+(4*2)+(3*9)+(2*0)+(1*3)=161
161 % 10 = 1
So 79429-03-1 is a valid CAS Registry Number.

79429-03-1Downstream Products

79429-03-1Relevant articles and documents

Wittig Reactions of Phosphoniomethylaryl Compounds with Sulfonated Aromatic and Heteroaromatic Aldehydes

Maerky, Michael

, p. 957 - 975 (1981)

Bis(triphenylphosphoniomethyl)aryl dichloride derivatives react with aromatic or heteroaromatic aldehydes which have a sulfonic or carboxylic group attached to the ring system, to yield stilbene compounds of a betaine-type structure.These betaines are reacted further with various aromatic or heteroaromatic aldehydes yielding asymmetrically substituted derivatives in excellent yields.This new method is widely applicable to the preparation of water-soluble, fluorescent whitening agents of the bis-stilbene type.

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