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1221167-75-4

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1221167-75-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1221167-75-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,1,1,6 and 7 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1221167-75:
(9*1)+(8*2)+(7*2)+(6*1)+(5*1)+(4*6)+(3*7)+(2*7)+(1*5)=114
114 % 10 = 4
So 1221167-75-4 is a valid CAS Registry Number.

1221167-75-4Downstream Products

1221167-75-4Relevant articles and documents

Silica gel-promoted tandem addition-cyclization reactions of 2-alkynylbenzenamines with isothiocyanates

Ding, Qiuping,Cao, Banpeng,Zong, Zhenzhen,Peng, Yiyuan

experimental part, p. 370 - 373 (2010/09/10)

Tandem addition-cyclization reactions of 2-alkynylbenzenamines with isothiocyanates promoted by silica gel are described. This reaction proceeds smoothly at 80 °C under metal- and solvent-free conditions, which provides an efficient and practical route fo

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