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1221571-95-4

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1221571-95-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1221571-95-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,1,5,7 and 1 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1221571-95:
(9*1)+(8*2)+(7*2)+(6*1)+(5*5)+(4*7)+(3*1)+(2*9)+(1*5)=124
124 % 10 = 4
So 1221571-95-4 is a valid CAS Registry Number.

1221571-95-4Relevant articles and documents

Use of cyclohexylisocyanide and methyl 2-isocyanoacetate as convertible isocyanides for microwave-assisted fluorous synthesis of 1,4-benzodiazepine-2,5- dione library

Zhou, Hongyu,Zhang, Wei,Yan, Bing

experimental part, p. 206 - 214 (2010/10/19)

A new protocol in which cyclohexylisocyanide and methyl 2-isocyanoacetate are used as convertible isocyanides for Ugi/de-Boc/cyclization/Suzuki synthesis of biaryl-substituted 1,4-benzodiazepine-2,5-diones has been developed. Ugi reactions of Boc-protecte

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