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916851-87-1

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916851-87-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 916851-87-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,6,8,5 and 1 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 916851-87:
(8*9)+(7*1)+(6*6)+(5*8)+(4*5)+(3*1)+(2*8)+(1*7)=201
201 % 10 = 1
So 916851-87-1 is a valid CAS Registry Number.

916851-87-1Downstream Products

916851-87-1Relevant articles and documents

Synthesis of 2-amino-1,3,4-oxadiazoles and 2-Amino-1,3,4-thiadiazoles via sequential condensation and I2-mediated oxidative C-O/C-S bond formation

Niu, Pengfei,Kang, Jinfeng,Tian, Xianhai,Song, Lina,Liu, Hongxu,Wu, Jie,Yu, Wenquan,Chang, Junbiao

, p. 1018 - 1024 (2015/01/30)

2-Amino-substituted 1,3,4-oxadiazoles and 1,3,4-thiadiazoles were synthesized via condensation of semicarbazide/thiosemicarbazide and the corresponding aldehydes followed by I2-mediated oxidative C-O/C-S bond formation. This transition-metal-free sequential synthesis process is compatible with aromatic, aliphatic, and cinnamic aldehydes, providing facile access to a variety of diazole derivatives bearing a 2-amino substituent in an efficient and scalable fashion.

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