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121421-11-2

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121421-11-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121421-11-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,4,2 and 1 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 121421-11:
(8*1)+(7*2)+(6*1)+(5*4)+(4*2)+(3*1)+(2*1)+(1*1)=62
62 % 10 = 2
So 121421-11-2 is a valid CAS Registry Number.

121421-11-2Upstream product

121421-11-2Relevant articles and documents

Effective friedel-crafts acylations of O- and C-arylglycosides with triflic acid

Hashimoto, Makoto,Takahashi, Miho

scheme or table, p. 227 - 231 (2009/09/06)

Triflic acid is well known not only as a Friedel-Crafts promoter, but also as a deglycosidation reagent. In this study, we promote effective Friedel-Crafts acylations for O- or C-arylglucosides without deglycosidation and check their inhibitory activities for β-glucosidase.

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