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1226668-04-7

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1226668-04-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1226668-04-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,6,6,6 and 8 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1226668-04:
(9*1)+(8*2)+(7*2)+(6*6)+(5*6)+(4*6)+(3*8)+(2*0)+(1*4)=157
157 % 10 = 7
So 1226668-04-7 is a valid CAS Registry Number.

1226668-04-7Relevant articles and documents

Catalytic performance of polystyrene-bound ChibaG derivatives as guanidine organobases in asymmetric Michael additions

Ishikawa, Tsutomu,Heima, Takashi,Yoshida, Makoto,Kumamoto, Takuya

, p. 307 - 314 (2014)

The guanidine organocatalyst, ChibaG, was bound via an ether linkage to the phenyl group of the 2-imino substituent to Merrifield resin. Polystyrene-bound ChibaG acted as an effective catalyst in the Michael reaction of tert-butyl N-(diphenylmethylidene)g

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