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133951-03-8

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133951-03-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133951-03-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,9,5 and 1 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 133951-03:
(8*1)+(7*3)+(6*3)+(5*9)+(4*5)+(3*1)+(2*0)+(1*3)=118
118 % 10 = 8
So 133951-03-8 is a valid CAS Registry Number.

133951-03-8Downstream Products

133951-03-8Relevant articles and documents

Michael Addition of 2,2-Difluoroketene Silyl Acetal. Preparation of 4,4-Difluoroglutamic Acid and 5,5-Difluorolysine

Kitagawa, Osamu,Hashimoto, Akihiro,Kobayashi, Yoshiro,Taguchi, Takeo

, p. 1307 - 1310 (2007/10/02)

2,2-Difluoroketene Silyl Acetal, generated in situ by treating methyl difluoroiodoacetate with Zn followed by chlorosilane, readily reacted with α,β-unsaturated carbonyl compounds or acetals to give the 1,4-addition products, preferentially.The difluoro a

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