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77331-35-2

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77331-35-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77331-35-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,3,3 and 1 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 77331-35:
(7*7)+(6*7)+(5*3)+(4*3)+(3*1)+(2*3)+(1*5)=132
132 % 10 = 2
So 77331-35-2 is a valid CAS Registry Number.

77331-35-2Downstream Products

77331-35-2Relevant articles and documents

THE CHAIN LENGTHENING OF ALIPHATIC ALDEHYDES WITH THE AID OF "NUCLEOPHILIC CARBENE"

Doleschall, Gabor

, p. 4183 - 4186 (2007/10/02)

The addition of "nucleophilic carbene" on 1,2,4-triazole bases (2) and aldehydes is decisively influenced by the anion present. 5-(α-Hydroxyalkyl)-1,2,4-triazolium chlorides, formed in the addition reaction of 3-methylthio-1,4-diphenyl-1,2,4-triazolium chloride (1c) with aldehydes, can be easily reduced to 5-alkyl-1,2,4-triazolium iodides (5).Reduction of these with NaBH4 affords aldehydes by acidic hydrolysis or carboxylic acids by alkaline hydrolysis, the carbon chain of which has been lengthened by one CH2 group, as compared to the starting aldehyde.

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